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NARRATOR: Billions of
Earth-like planets...
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MICHAEL DENNIN: Why would
there be this vast universe
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and just us?
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NARRATOR: ...each capable
of sustaining life.
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DAVID CHILDRESS: In many ways,
it's like finding
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the Garden of Eden.
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NARRATOR: And each
with possible evidence
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that we are not alone.
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GIORGIO TSOUKALOS:
We have this imprint
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within all of us,
that our origin is out there.
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That life as we know it,
on planet Earth...
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originated elsewhere.
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NARRATOR:
Since the dawn of civilization,
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mankind has credited
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its origins to gods
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and other visitors
from the stars.
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What if it were true?
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Did extraterrestrial beings
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really help
to shape our history?
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And, if so, might this
explain our search...
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for another Earth?
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NARRATOR:
July 23, 2015.
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After more than six years
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of observing
over 150,000 star systems
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within the Milky Way galaxy,
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NASA scientists,
using the Kepler Telescope,
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discover what they believe to be
an Earth-like planet,
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located 1,400 light years away.
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Kepler-452B
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or Earth 2.0,
as it has become known
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is 60% larger than Earth.
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The exo-planet
orbits a star slightly larger
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and brighter than our sun
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and falls within that star's
"Goldilocks zone"...
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making it a leading candidate
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to prove life exists
on a planet other than our own.
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Some planets are too close
to their stars,
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so they're too hot.
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Some of them are too far away,
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so they're too cold.
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Recently, they found one
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which they've actually
called the Goldilocks planet.
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As you can probably
surmise from that,
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that means that it's
almost just right.
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What that means
is that there's a potential
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that it might be
teeming with life.
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PAUL DAVIES: The problem
looking for Earth-like planets
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beyond the solar system
is they're hard to spot.
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There may be billions
within our galaxy alone
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that satisfy
roughly the conditions
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of being Earth-like.
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They have to have a magnetic
field and a few other conditions
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that will be congenial for life,
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but the liquid water, as well,
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I think everybody agrees,
is key.
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The Kepler discovery made
people sit up and take notice,
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'cause it would possibly have
the all-important liquid water
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that is the key
to looking for life
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as we know it
beyond the solar system.
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NARRATOR: Of the 100 billion
stars that make up
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the Milky Way galaxy,
astronomers now estimate
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that one in five
has an Earth-sized planet
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with the potential for life.
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And NASA scientists predict
that we are likely to find
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signs of alien life
by the year 2025,
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bringing us ever closer to
answering the age-old question:
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"Are we really alone
in the universe?"
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DENNIN:
Humans are really excited
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about life on other planets.
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There's a lot
of empty space out there,
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and it would be a big waste,
if there wasn't more life.
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Why would there be
this vast universe
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and just us?
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Forever people have wondered,
"Are we alone?
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"Is there life out there?
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Are there other
intelligent beings?"
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And that's why
we're so insistent upon
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searching for another Earth.
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I think there's
that need to realize
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that we're not alone
in the universe.
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We want answers.
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We're going out into space
because we want to find out
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are there other beings
out there like us?
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NARRATOR:
Since the Ancient Babylonians
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first documented
observations of Venus,
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humans have speculated
that inhabited worlds
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may exist beyond Earth.
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And from the time
of the ancient Greeks,
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philosophers and scholars
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have theorized
on the probability
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of the existence
of otherworldly civilizations
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other than our own.
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In 1961,
radio astronomer Frank Drake
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was the first to publicly
propose a mathematical argument
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for the likelihood
of the existence
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of intelligent
extraterrestrial life
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in the galaxy.
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DENNIN: Frank Drake
developed an equation
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that took the probability
of different things happening:
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Having the right type of sun,
having the right type of planet,
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how many planets
and stars there were
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and made an estimate
of how likely life would be.
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JOHN BRANDENBURG: The Drake
equation would seem to logically
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predict tens of thousands
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of civilizations out there,
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that we ought to be able
to hear on radio traffic.
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NARRATOR: But if there is
such a high probability
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for the existence
of intelligent life-forms
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elsewhere in the universe,
why haven't we encountered them?
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SEAGER: If there are so many
other planets out there,
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and if the chance for
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intelligent life
out there is high,
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why hasn't anyone visited us?
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BRANDENBURG:
The human race should be typical
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of what intelligent life is like
in the rest of the cosmos.
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Plus the cosmos is much older
than the human race.
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We tend to expand into all
possible living spaces.
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Intelligent life in the rest
of the universe
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should probably
act like that, too.
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People like us
should be filling the cosmos.
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Everywhere we point
a radio telescope
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we should be picking up noise.
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Instead, there's nothing.
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NARRATOR: While radio telescopes
have yet to pick up
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a transmission from
other intelligent beings
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in the universe, ancient
astronaut theorists propose
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that contact has, in fact,
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already taken place.
And evidence of this
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can be found
throughout the world.
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The question "where are they?"
should be answered with:
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"Look at the ancient
astronaut theory,"
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because we are suggesting
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that there is evidence
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that goes back
thousands of years
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by the stories
that we have of gods
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lowercase "G"
descending from the sky.
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It doesn't matter
on what continent.
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Every single continent
was visited.
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CHILDRESS: I would say that
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the evidence is there
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and it's all around us,
whether it's in
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megalithic sites that are
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aligned to constellations,
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such as the Great Serpent Mound
in Ohio.
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Even the pyramids at Giza.
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And even stories of beings
coming down in spaceships,
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interacting with people.
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Evidence is overwhelming
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that there are extraterrestrials
all over the universe,
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and that they're coming here.
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NARRATOR: According to ancient
astronaut theorists,
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one of the earliest and most
compelling pieces of evidence
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to support the notion that
extraterrestrials have, in fact,
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visited Earth, can be found
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with an ancient Sumerian
cylindrical seal
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known as VA243.
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Author Zecharia Sitchin
was the first to suggest
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that on this seal,
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which is estimated to be
at least 4,500 years old,
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is a depiction
of our solar system.
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JASON MARTELL: You can see
in the seal that there's
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a whole complete model
of the solar system
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accurately being displayed
with the sun in the center.
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Now, till the time
of Copernicus and Galileo,
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no one knew that we actually
orbited the sun,
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so the only explanation is
someone who had this knowledge
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gave it to humanity,
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and that there has been
extraterrestrial presence
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in interaction with people
in the past.
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And we see this
across the globe.
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NARRATOR:
Throughout the world,
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ancient cultures
have told stories of gods
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descended from
specific star systems.
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The Maya associated their gods
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with the Pleiades star cluster,
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as did the Native Americans,
hundreds of miles away.
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The Dogon tribe
and the ancient Egyptians
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believed their gods
came from the star Sirius.
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ERICH VON DANIKEN:
In old Egypt,
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we have, for example, Osiris,
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who comes from Orion.
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Osiris was married to Isis.
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Isis comes from
the star of Sirius.
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These extraterrestrials,
the so-called gods,
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they pointed up to the sky and
said, "Look, this is our home."
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NARRATOR: Is it possible that
there are intelligent beings
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inhabiting other planets
within our solar system,
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as ancient astronaut
theorists contend?
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If so, could they have
once sought out Earth
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as we now seek
other habitable planets?
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Perhaps further evidence
will be revealed
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with our plans
to colonize Mars.
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NARRATOR:
Spring 2013.
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The Mars One project
solicits candidates
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for their proposed settlement
on Mars.
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Over 200,000 people apply
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for the chance
to be the first humans
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to colonize the Red Planet.
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Only 24 will be selected.
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None are expected to return.
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BRANDENBURG:
The Mars One mission
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is a very ambitious mission.
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They've canvassed the whole
world's aerospace contractors
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and tried to make heavy use
of the experience
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on the space station, where
they've made living modules.
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Those same modules
can be brought to Mars
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and support human life.
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NARRATOR: Scientists
are testing working models
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of living quarters for Mars,
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such as NASA's
Deep Space Habitat.
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Engineers designed these pods
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to be constructed remotely,
before humans arrive.
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Once built, the habitats
will supply oxygen and water
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and minimize the harmful effects
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of atmospheric radiation
to humans.
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Yet even these engineering feats
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won't allow humans
to live on Mars
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for extended periods of time.
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DENNIN:
We have tried experiments
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with actually making
a survivable environment
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in a pod,
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and it seems to be
very, very hard to do
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for a very long scale.
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If we want
long-term habitation on Mars
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and colonization of Mars,
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personally,
I vote for terraforming.
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NARRATOR:
Terraforming is the process
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of turning an environment
unsuitable for human habitation
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into one
that mankind can live in.
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00:12:10,016 --> 00:12:14,689
Scientists are currently
researching the various ways
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we might someday terraform
an entire planet.
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DENNIN: When you think
about terraforming Mars,
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the key, really, is getting
a dense atmosphere
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that forms protection
from the radiation from the sun,
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makes the temperature
really high enough,
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and gets things going
with plant life and oxygen.
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So one question is, where do you
get that denser atmosphere?
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Couple of options:
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There is various amounts
of gases
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trapped in the polar caps,
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so you can imagine melting
those, releasing the gas.
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DAVIES:
Terraforming another planet
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00:12:49,957 --> 00:12:53,394
is a very, very long-term
prospect.
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00:12:53,426 --> 00:12:55,128
Now, if we were going
to terraform Mars
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to make it more Earth-like, we
can think of ways of doing that.
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We can seed it with microbes
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that might produce
a thicker atmosphere.
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You can dramatically modify
conditions on a planet
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by suitable intervention,
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00:13:08,843 --> 00:13:11,746
and Mars would seem to be
a good one to do it for.
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Mars was
once much more Earth-like.
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00:13:13,814 --> 00:13:15,817
Perhaps we could bring it back,
253
00:13:15,849 --> 00:13:17,484
make it more Earth-like again.
254
00:13:17,517 --> 00:13:20,053
BRANDENBURG:
Earth's early atmosphere
255
00:13:20,087 --> 00:13:22,390
and Mars' present atmosphere,
256
00:13:22,422 --> 00:13:24,291
in composition,
are very similar.
257
00:13:24,324 --> 00:13:27,060
Earth had a lot of water vapor,
258
00:13:27,093 --> 00:13:29,796
nitrogen, and carbon dioxide.
259
00:13:29,829 --> 00:13:34,069
That's what Mars' atmosphere
consists of.
260
00:13:36,337 --> 00:13:39,273
NARRATOR: Ancient astronaut
theorists propose
261
00:13:39,305 --> 00:13:42,910
that if humans are planning
to one day give Mars
262
00:13:42,943 --> 00:13:44,846
a breathable atmosphere,
263
00:13:44,878 --> 00:13:48,115
extraterrestrials may have done
the same thing with Earth,
264
00:13:48,148 --> 00:13:51,952
millions of years ago.
265
00:13:51,986 --> 00:13:53,354
There's a distinct possibility
266
00:13:53,387 --> 00:13:56,324
that the Earth
could've been terraformed.
267
00:13:56,357 --> 00:13:59,894
When you look at the development
of Earth, what you see is that,
268
00:13:59,926 --> 00:14:04,031
at every stage, the planet got
exactly what it seemed to need
269
00:14:04,064 --> 00:14:07,935
to develop into this beautiful
blue world that we live on.
270
00:14:07,968 --> 00:14:11,072
When we needed oxygen,
there was bacteria introduced
271
00:14:11,104 --> 00:14:12,473
into the ecosystem
272
00:14:12,506 --> 00:14:14,342
that actually sucked up
carbon dioxide
273
00:14:14,375 --> 00:14:19,113
and methane gas
and-and pumped out oxygen.
274
00:14:19,146 --> 00:14:20,848
We're looking at what Mars is,
275
00:14:20,881 --> 00:14:23,117
and we're thinking of trying
to build an atmosphere
276
00:14:23,150 --> 00:14:24,852
and everything else.
277
00:14:24,885 --> 00:14:26,954
And the first question
you'd have to ask yourself is:
278
00:14:26,987 --> 00:14:30,858
Did extraterrestrials come here
and do the same thing?
279
00:14:33,828 --> 00:14:35,797
NARRATOR:
But how did our planet,
280
00:14:35,829 --> 00:14:38,299
that was once devoid of oxygen,
281
00:14:38,332 --> 00:14:41,903
turn into the lush green world
we know today?
282
00:14:44,137 --> 00:14:46,173
Scientists have struggled
for years
283
00:14:46,207 --> 00:14:51,379
to discover
just how Earth became habitable.
284
00:14:51,411 --> 00:14:54,114
There's always been a-a problem
about life on Earth.
285
00:14:54,147 --> 00:14:55,849
Did it actually
start here on Earth,
286
00:14:55,882 --> 00:14:57,384
or come here
from somewhere else?
287
00:14:57,417 --> 00:15:01,321
There's no known transition
from non-life to life
288
00:15:01,354 --> 00:15:03,324
that we can all agree on.
289
00:15:03,357 --> 00:15:06,526
Seeing as we don't know how life
began, it's up for grabs.
290
00:15:06,560 --> 00:15:09,430
But we know, on Earth,
it was microbes
291
00:15:09,463 --> 00:15:11,900
that made
the oxygen atmosphere.
292
00:15:15,636 --> 00:15:18,139
NARRATOR:
Although scientists agree
293
00:15:18,171 --> 00:15:20,173
that Earth's
oxygenated atmosphere
294
00:15:20,207 --> 00:15:24,245
most likely can be attributed
to the presence of microbes,
295
00:15:24,277 --> 00:15:26,146
many theories exist
296
00:15:26,180 --> 00:15:30,151
as to where exactly
these organisms came from.
297
00:15:30,184 --> 00:15:32,920
One intriguing speculation
298
00:15:32,953 --> 00:15:36,357
that has caught the attention
of ancient astronaut theorists
299
00:15:36,390 --> 00:15:41,395
involves grooved metal balls
called Klerksdorp spheres.
300
00:15:41,428 --> 00:15:44,365
These mysterious round objects
301
00:15:44,397 --> 00:15:48,335
were found scattered in
mineral deposits in South Africa
302
00:15:48,368 --> 00:15:51,471
that date back 3 billion years.
303
00:15:51,505 --> 00:15:56,510
There are people that argue
that these spheres are natural,
304
00:15:56,542 --> 00:15:59,479
but there's really
no natural objects
305
00:15:59,512 --> 00:16:01,449
that bear any resemblance
to them at all.
306
00:16:01,482 --> 00:16:05,453
And the fact that they're buried
in rock that is so old indicates
307
00:16:05,486 --> 00:16:09,090
that somebody sort of scattered
them throughout the planet.
308
00:16:09,122 --> 00:16:13,127
They appear to be
metallic, constructed spheres
309
00:16:13,160 --> 00:16:16,497
in which you could have placed
bacterial life
310
00:16:16,530 --> 00:16:19,333
that would definitely
have been able to then spill out
311
00:16:19,366 --> 00:16:22,470
into the ecosystem,
multiply, divide,
312
00:16:22,502 --> 00:16:25,006
and change the environment,
313
00:16:25,039 --> 00:16:29,043
exactly as we're proposing to do
on the planet Mars.
314
00:16:29,075 --> 00:16:30,543
We might say that this is just
315
00:16:30,577 --> 00:16:33,213
a natural occurring thing
on Earth,
316
00:16:33,247 --> 00:16:36,117
but this may be evidence
that Earth was seeded
317
00:16:36,150 --> 00:16:40,954
by some kind of bacteria
or microbes brought here
318
00:16:40,987 --> 00:16:43,590
and what we have today
has been purposely created
319
00:16:43,623 --> 00:16:48,161
by beings with tremendous powers
and knowledge.
320
00:16:52,699 --> 00:16:55,201
NARRATOR:
Did extraterrestrial beings
321
00:16:55,234 --> 00:16:57,370
introduce organisms to Earth
322
00:16:57,404 --> 00:16:59,106
that started life,
323
00:16:59,138 --> 00:17:03,144
just as humans
may someday do to Mars?
324
00:17:03,176 --> 00:17:06,414
If so,
could our ancestral origin
325
00:17:06,446 --> 00:17:10,717
actually come from
another planet in the galaxy?
326
00:17:10,751 --> 00:17:15,056
The answer may be right
in front of us,
327
00:17:15,088 --> 00:17:17,358
lying within the physiology
328
00:17:17,390 --> 00:17:19,694
of our own bodies.
329
00:17:28,000 --> 00:17:30,970
NARRATOR:
Tell al-Uhaymir, Iraq.
330
00:17:31,002 --> 00:17:35,073
Here, in what was once the
ancient Sumerian city of Kish,
331
00:17:35,107 --> 00:17:37,710
archaeologists unearthed
332
00:17:37,742 --> 00:17:40,011
the world's
oldest written document.
333
00:17:40,044 --> 00:17:42,914
The Kish tablet
334
00:17:42,947 --> 00:17:45,117
dates to 3,500 BC,
335
00:17:45,149 --> 00:17:49,155
and is believed to pre-date
both the Sumerian cuneiform
336
00:17:49,187 --> 00:17:51,723
and Egyptian
hieroglyphic writing
337
00:17:51,756 --> 00:17:55,327
by nearly a hundred years.
338
00:17:55,360 --> 00:17:58,129
Developing the ability
to express thoughts
339
00:17:58,163 --> 00:18:00,700
through written language
is one of the first ways
340
00:18:00,733 --> 00:18:02,702
in which man separated itself
341
00:18:02,734 --> 00:18:06,204
from the rest
of the animal kingdom.
342
00:18:06,238 --> 00:18:09,075
In the 5,000 years since,
343
00:18:09,108 --> 00:18:12,744
humans have harnessed
electricity,
344
00:18:12,778 --> 00:18:14,747
split the atom,
345
00:18:14,780 --> 00:18:16,915
developed computers,
346
00:18:16,948 --> 00:18:20,151
and placed a man on the Moon.
347
00:18:20,184 --> 00:18:22,788
No other species on Earth
348
00:18:22,820 --> 00:18:24,924
can claim such unique
achievements
349
00:18:24,956 --> 00:18:27,193
in such a short span of time.
350
00:18:28,327 --> 00:18:30,195
In comparison to other animals,
351
00:18:30,229 --> 00:18:31,764
our evolution is pretty brief.
352
00:18:31,797 --> 00:18:33,633
Um, it's-it's been
a fairly short time,
353
00:18:33,665 --> 00:18:35,166
only a couple of million
years, probably,
354
00:18:35,200 --> 00:18:36,702
since the first hominids.
355
00:18:36,734 --> 00:18:39,204
WARD: One of the great
scientific questions
356
00:18:39,238 --> 00:18:41,774
is why is it our species
357
00:18:41,807 --> 00:18:44,343
uniquely arose into this
358
00:18:44,376 --> 00:18:47,079
truly advanced
technological intelligence
359
00:18:47,111 --> 00:18:48,980
that we have.
360
00:18:49,013 --> 00:18:52,885
Clearly, there's nothing else on
planet Earth that is like us.
361
00:18:52,917 --> 00:18:55,253
There are many intelligences,
but nothing
362
00:18:55,287 --> 00:18:58,858
is wielding technology
to the extent that we do.
363
00:18:58,890 --> 00:19:02,060
DAVIES: If we just had to sort
of go back to the jungle,
364
00:19:02,094 --> 00:19:04,430
the proverbial jungle,
and just survive,
365
00:19:04,463 --> 00:19:07,767
most of us wouldn't really
live for very long.
366
00:19:07,800 --> 00:19:09,402
Human beings,
apart from their intelligence,
367
00:19:09,434 --> 00:19:13,172
uh, really are not
very well-suited
368
00:19:13,204 --> 00:19:15,841
to occupying a wide range
of environments.
369
00:19:16,175 --> 00:19:17,909
(crying)
370
00:19:17,943 --> 00:19:19,944
NARRATOR: In addition to our
incredible intelligence,
371
00:19:19,977 --> 00:19:23,782
biologists have also
noted contrasts
372
00:19:23,816 --> 00:19:27,353
between human physiology
and other animals.
373
00:19:27,386 --> 00:19:28,820
FISHER:
Compared to other animals,
374
00:19:28,854 --> 00:19:30,189
I think we're a little odd.
375
00:19:30,222 --> 00:19:32,223
A baby horse is born,
for instance, it's able
376
00:19:32,256 --> 00:19:35,960
to walk around and do its own
thing, like, immediately.
377
00:19:35,993 --> 00:19:38,830
The same is certainly not true
of a... of a human infant.
378
00:19:38,864 --> 00:19:40,399
We are pretty helpless.
379
00:19:40,432 --> 00:19:43,469
We're born before we're quite
neurologically cooked.
380
00:19:43,502 --> 00:19:47,306
There are many vulnerabilities
which go alongside
381
00:19:47,338 --> 00:19:50,842
our much-vaunted intelligence.
382
00:19:50,876 --> 00:19:54,946
We became bipeds and that
freed up our forelimbs
383
00:19:54,980 --> 00:19:58,284
to be able to manipulate
objects, make tools and so on.
384
00:19:58,317 --> 00:20:00,386
But it comes at a price,
385
00:20:00,418 --> 00:20:04,290
because we've got
these back problems.
386
00:20:04,322 --> 00:20:06,358
WILLIAM LEONARD:
Lower back pain is something
387
00:20:06,390 --> 00:20:09,728
that is virtually unknown
in other primate species,
388
00:20:09,761 --> 00:20:12,263
whereas it's something
that is very common
389
00:20:12,297 --> 00:20:13,933
in contemporary humans.
390
00:20:15,900 --> 00:20:19,437
NARRATOR: In 2013,
ecologist Dr. Ellis Silver
391
00:20:19,471 --> 00:20:23,342
set forth in his book
Humans Are Not From Earth
392
00:20:23,375 --> 00:20:27,011
a possible theory
to explain why humans
393
00:20:27,044 --> 00:20:30,915
seem so evolutionarily
unsuited to the planet.
394
00:20:30,948 --> 00:20:32,417
BARA: Dr. Ellis Silver
395
00:20:32,451 --> 00:20:34,987
developed an idea that perhaps
the human race
396
00:20:35,020 --> 00:20:38,022
did not actually naturally
evolve here on the Earth,
397
00:20:38,056 --> 00:20:39,458
but somewhere else.
398
00:20:39,491 --> 00:20:41,894
DAVID WILCOCK:
Silver's book raises a lot
399
00:20:41,926 --> 00:20:44,429
of very provocative
and intriguing questions.
400
00:20:44,463 --> 00:20:46,397
For example, why is it that
401
00:20:46,431 --> 00:20:49,434
we get cataracts from the sun?
402
00:20:49,467 --> 00:20:52,303
Why is it that the sun
seems to hurt us
403
00:20:52,337 --> 00:20:54,106
if we go out for too long?
404
00:20:54,138 --> 00:20:57,443
So Dr. Silver suggests that we
might've come from a planet
405
00:20:57,475 --> 00:21:00,311
with different solar exposure.
406
00:21:00,345 --> 00:21:03,182
We also have 223 genes
407
00:21:03,214 --> 00:21:05,317
that appear in human DNA
408
00:21:05,349 --> 00:21:09,088
that do not appear
in any other species on Earth,
409
00:21:09,120 --> 00:21:10,455
suggesting, again,
410
00:21:10,489 --> 00:21:12,391
that there's something
unusual about us.
411
00:21:13,826 --> 00:21:16,095
BARA: They've discovered
that astronauts,
412
00:21:16,127 --> 00:21:17,530
when they're in space,
413
00:21:17,562 --> 00:21:21,065
their circadian rhythms actually
change from 24 hours
414
00:21:21,098 --> 00:21:23,068
like we have
when we're here on Earth
415
00:21:23,100 --> 00:21:26,805
to 24.9 hours, which is
the exact circadian rhythm
416
00:21:26,838 --> 00:21:29,308
or the exact length
of a Martian day,
417
00:21:29,340 --> 00:21:31,209
not an Earth day.
418
00:21:31,242 --> 00:21:35,079
NOORY: The patterns
of who we are as human beings
419
00:21:35,113 --> 00:21:38,384
doesn't fit into
some of the other creatures
420
00:21:38,416 --> 00:21:39,484
that are on this planet.
421
00:21:39,518 --> 00:21:42,054
Dr. Silver, his theory was
422
00:21:42,087 --> 00:21:45,825
that we were either brought here
or seeded here,
423
00:21:45,858 --> 00:21:48,961
but clearly
of an extraterrestrial origin.
424
00:21:48,993 --> 00:21:51,362
CHILDRESS:
We are, in a sense,
425
00:21:51,396 --> 00:21:53,365
transplanted here
426
00:21:53,397 --> 00:21:56,601
from some other solar system.
427
00:21:56,635 --> 00:21:59,972
And Neanderthals
were already here
428
00:22:00,004 --> 00:22:04,108
and we are a cross-bred...
429
00:22:04,142 --> 00:22:06,011
part-alien race
430
00:22:06,043 --> 00:22:08,980
that's part Neanderthal
and part extraterrestrial.
431
00:22:09,013 --> 00:22:12,318
NARRATOR:
Might Dr. Silver's observations
432
00:22:12,350 --> 00:22:14,419
of human physiology be proof
433
00:22:14,453 --> 00:22:17,322
that we are a hybrid species,
434
00:22:17,356 --> 00:22:21,527
one whose origin
comes from a celestial place?
435
00:22:21,559 --> 00:22:24,864
Ancient astronaut
theorists say yes,
436
00:22:24,896 --> 00:22:27,131
and claim further evidence
can be found
437
00:22:27,165 --> 00:22:30,569
in the narratives
of numerous religions.
438
00:22:32,271 --> 00:22:36,008
Brigham Young, one of
the most important leaders
439
00:22:36,040 --> 00:22:37,242
of the Mormon religion,
440
00:22:37,275 --> 00:22:40,345
proposed that the biblical Adam
441
00:22:40,378 --> 00:22:42,281
was not created on Earth,
442
00:22:42,313 --> 00:22:45,283
but was born to parents
on another world
443
00:22:45,317 --> 00:22:47,553
and then was
brought to our planet.
444
00:22:47,586 --> 00:22:50,155
In the Zohar,
445
00:22:50,187 --> 00:22:52,457
the primary text
of Jewish mysticism,
446
00:22:52,491 --> 00:22:55,294
a similar story is told.
447
00:22:55,327 --> 00:22:58,130
TZADOK:
Adam actually had parents.
448
00:22:58,163 --> 00:23:01,433
A mother and a father.
449
00:23:01,465 --> 00:23:04,235
And that God took Adam
450
00:23:04,269 --> 00:23:06,906
from whatever place
that he came from
451
00:23:06,938 --> 00:23:08,907
we don't understand
what that is,
452
00:23:08,941 --> 00:23:12,244
another dimension,
another world, we don't know.
453
00:23:12,277 --> 00:23:14,146
We are half physical
454
00:23:14,178 --> 00:23:17,315
and we are half
something much greater.
455
00:23:17,348 --> 00:23:22,120
Celestial,
extraterrestrial, divine.
456
00:23:22,154 --> 00:23:25,925
TSOUKALOS: According
to the ancient astronaut theory,
457
00:23:25,957 --> 00:23:29,594
we were created
in the image of the gods
458
00:23:29,627 --> 00:23:32,063
and those stories are reflected
459
00:23:32,097 --> 00:23:34,366
in all of our ancient legends.
460
00:23:34,398 --> 00:23:38,404
For example, the Native American
culture clearly states
461
00:23:38,436 --> 00:23:42,340
that our entire planet
was seeded.
462
00:23:42,374 --> 00:23:44,476
LOGAN HAWKES:
In the ancient American world,
463
00:23:44,509 --> 00:23:46,211
part of their
core belief system is that
464
00:23:46,243 --> 00:23:49,180
they may not
have originated on Earth.
465
00:23:49,213 --> 00:23:51,349
We know that the Hopi,
for example,
466
00:23:51,383 --> 00:23:54,186
believed that they were
brought to the Earth
467
00:23:54,219 --> 00:23:57,723
by star people
from the Orion system.
468
00:23:57,755 --> 00:23:59,724
NARRATOR:
Is it really possible
469
00:23:59,758 --> 00:24:02,428
that our origins
are not entirely
470
00:24:02,461 --> 00:24:04,063
from this planet?
471
00:24:04,096 --> 00:24:06,332
And if so, does this explain
472
00:24:06,365 --> 00:24:10,301
why we are drawn to the search
for an other Earth?
473
00:24:10,335 --> 00:24:12,638
Perhaps the answers lie
474
00:24:12,671 --> 00:24:16,075
in ancient tales
told across the world
475
00:24:16,108 --> 00:24:19,712
of a paradise lost forever.
476
00:24:22,500 --> 00:24:27,205
NARRATOR:
In October of 2018,
477
00:24:27,237 --> 00:24:29,606
the James Webb Space Telescope
478
00:24:29,639 --> 00:24:32,142
the most powerful telescope
ever built
479
00:24:32,176 --> 00:24:34,645
will take its place
in the cosmos,
480
00:24:34,677 --> 00:24:38,716
nearly one million miles
from Earth.
481
00:24:40,016 --> 00:24:42,519
It is just the latest tool
482
00:24:42,552 --> 00:24:44,688
in our endless pursuit
of locating
483
00:24:44,722 --> 00:24:47,959
another habitable planet.
484
00:24:47,992 --> 00:24:50,561
Since Galileo Galilei
485
00:24:50,593 --> 00:24:54,264
first aimed a telescope
skyward in 1609,
486
00:24:54,298 --> 00:24:58,736
billions of dollars
and countless resources
487
00:24:58,769 --> 00:25:01,706
have been spent
on humanity's search
488
00:25:01,738 --> 00:25:03,975
for an other Earth.
489
00:25:04,007 --> 00:25:06,209
It is more than a search
490
00:25:06,243 --> 00:25:08,745
for intelligent life
in the universe.
491
00:25:08,779 --> 00:25:11,582
The quest to explore
the universe
492
00:25:11,614 --> 00:25:14,818
is nothing less than
our longing for transcendence.
493
00:25:14,851 --> 00:25:17,120
It is a search for meaning.
494
00:25:17,154 --> 00:25:20,124
It is a search for what
is beyond our understanding.
495
00:25:20,157 --> 00:25:23,828
WILCOCK:
Could there also be a yearning
496
00:25:23,860 --> 00:25:26,930
and a longing
for some other planet
497
00:25:26,964 --> 00:25:28,733
that we came from?
498
00:25:28,765 --> 00:25:31,235
And so when we look up
at the stars, there's this
499
00:25:31,267 --> 00:25:34,037
genetic beckoning that we feel
500
00:25:34,071 --> 00:25:35,606
to want to explore,
501
00:25:35,639 --> 00:25:38,141
to want to find out
what happened to us.
502
00:25:38,175 --> 00:25:40,110
How did we end up here?
503
00:25:40,144 --> 00:25:42,580
NARRATOR:
Is it possible
504
00:25:42,612 --> 00:25:46,049
that our attempt to locate
life on other planets
505
00:25:46,082 --> 00:25:49,152
is, in fact, a quest to locate
506
00:25:49,186 --> 00:25:51,889
our extraterrestrial origins,
507
00:25:51,921 --> 00:25:54,258
as ancient astronaut
theorists propose?
508
00:25:55,758 --> 00:25:59,095
If so,
is this drive deeply ingrained
509
00:25:59,129 --> 00:26:01,599
in our genetic memory?
510
00:26:01,631 --> 00:26:03,266
CHILDRESS:
In many ways, it's like
511
00:26:03,300 --> 00:26:06,803
finding the Garden of Eden,
where we came from.
512
00:26:06,837 --> 00:26:09,273
And perhaps the Garden of Eden
was on another planet,
513
00:26:09,305 --> 00:26:13,944
and this is part of our own DNA,
514
00:26:13,977 --> 00:26:16,648
to find out where we came from.
515
00:26:18,314 --> 00:26:21,118
NARRATOR:
The tale of a lost paradise
516
00:26:21,150 --> 00:26:24,589
is among the most enduring myths
in the world.
517
00:26:24,621 --> 00:26:29,793
Celtic legends speak of
the mysterious Island of Avalon
518
00:26:29,827 --> 00:26:32,797
that required supernatural
transport to visit.
519
00:26:32,830 --> 00:26:35,866
The Buddhist
and Hindu traditions tell
520
00:26:35,898 --> 00:26:38,768
of the forbidden land
of Shambhala.
521
00:26:38,802 --> 00:26:40,838
And in the Taoist tradition,
522
00:26:40,870 --> 00:26:43,908
they refer
to various celestial paradises
523
00:26:43,940 --> 00:26:46,076
where the immortals reside.
524
00:26:46,110 --> 00:26:48,312
In the Taoist tradition,
there's a belief
525
00:26:48,344 --> 00:26:50,747
that, um, immortals who ascend
526
00:26:50,781 --> 00:26:53,317
to these paradises
and to heavens,
527
00:26:53,350 --> 00:26:55,820
they can actually be demoted
528
00:26:55,852 --> 00:26:59,222
for bad behavior or misconduct,
and banished.
529
00:26:59,255 --> 00:27:01,359
And when they are banished,
they are banished,
530
00:27:01,391 --> 00:27:03,727
typically, back to Earth.
531
00:27:07,296 --> 00:27:09,399
NARRATOR:
Might the cross-cultural stories
532
00:27:09,433 --> 00:27:14,372
of a utopian world be not
mythology, but actual history?
533
00:27:14,405 --> 00:27:17,241
Could these stories be evidence
534
00:27:17,273 --> 00:27:20,710
that life came to Earth
from another planet?
535
00:27:20,744 --> 00:27:24,782
Ancient astronaut theorists
say yes,
536
00:27:24,814 --> 00:27:28,018
and suggest that further proof
may be found
537
00:27:28,052 --> 00:27:32,889
in the historical records of
a tiny farming town in England.
538
00:27:35,926 --> 00:27:37,128
Woolpit Village.
539
00:27:37,160 --> 00:27:39,363
The 12th century AD.
540
00:27:41,931 --> 00:27:44,367
Two small children
mysteriously appear
541
00:27:44,400 --> 00:27:46,269
near the opening of a cave
542
00:27:46,302 --> 00:27:51,742
a boy and a girl speaking in a
language that is indecipherable.
543
00:27:51,774 --> 00:27:55,446
But even more odd
their skin is green.
544
00:27:55,478 --> 00:27:58,048
SABINA MAGLIOCCO:
The farmers in the area
545
00:27:58,081 --> 00:28:03,219
who were harvesting vegetables
came upon these two children.
546
00:28:03,253 --> 00:28:05,056
Their skin was green,
547
00:28:05,089 --> 00:28:08,893
and their clothing was said
to be made of a strange fabric.
548
00:28:08,926 --> 00:28:10,461
It was a fabric unfamiliar
549
00:28:10,494 --> 00:28:12,329
to the people
who were describing them.
550
00:28:12,361 --> 00:28:14,965
KATHLEEN McGOWAN COPPENS:
The children are immediately
551
00:28:14,997 --> 00:28:17,901
whisked off
and put into isolation
552
00:28:17,935 --> 00:28:20,404
from the rest of the village
for several days,
553
00:28:20,437 --> 00:28:23,773
because no one is sure
if they're actually human.
554
00:28:23,806 --> 00:28:26,409
MAGLIOCCO: The children said
that they came
555
00:28:26,443 --> 00:28:28,946
from the land of Saint Martin,
556
00:28:28,978 --> 00:28:33,917
a land that was, in many ways,
much like Earth.
557
00:28:33,950 --> 00:28:36,252
They described
the place that they came from
558
00:28:36,285 --> 00:28:41,057
as not being as bright
as our land is.
559
00:28:41,091 --> 00:28:44,360
There was no bright sun,
there was no dark night,
560
00:28:44,394 --> 00:28:47,031
but it was a sort of twilit land
561
00:28:47,063 --> 00:28:50,967
with the sky the color
of early evening.
562
00:28:51,001 --> 00:28:55,339
NARRATOR: Prominent 12th century
historian William of Newburgh
563
00:28:55,371 --> 00:28:58,508
included a detailed account
of the Green Children
564
00:28:58,542 --> 00:29:02,513
in his major work,
History of English Affairs.
565
00:29:02,545 --> 00:29:06,216
He noted
that they eventually acclimated
566
00:29:06,250 --> 00:29:07,952
to their new environment.
567
00:29:07,985 --> 00:29:10,020
YOUNG:
The children gradually became
568
00:29:10,052 --> 00:29:11,354
part of the community.
569
00:29:11,388 --> 00:29:14,457
The boy, the younger
of the two children, died,
570
00:29:14,491 --> 00:29:17,927
but the girl survived, and
there are some serious tracking
571
00:29:17,960 --> 00:29:19,496
of her descendants, indicating
572
00:29:19,530 --> 00:29:21,999
that she is a real person
in history.
573
00:29:22,032 --> 00:29:25,235
NARRATOR: Many theories
have been proposed
574
00:29:25,269 --> 00:29:28,539
as to where exactly
these children came from.
575
00:29:28,571 --> 00:29:31,242
McGOWAN: The most popular
theory seems to be
576
00:29:31,274 --> 00:29:34,844
that they came
from another planet,
577
00:29:34,878 --> 00:29:36,179
a planet with a different type
of orbit,
578
00:29:36,213 --> 00:29:38,148
a planet that was not exposed
to the sun.
579
00:29:40,283 --> 00:29:42,152
NARRATOR:
Does the well-documented account
580
00:29:42,186 --> 00:29:45,389
of the Green Children of Woolpit
give credence
581
00:29:45,421 --> 00:29:48,391
to the existence
of another inhabited world
582
00:29:48,425 --> 00:29:50,394
separate from our own?
583
00:29:50,427 --> 00:29:54,430
Some ancient astronaut
theorists suggest
584
00:29:54,464 --> 00:29:57,467
that another Earth may exist,
not in space,
585
00:29:57,501 --> 00:30:00,404
but deep within the Earth,
586
00:30:00,437 --> 00:30:03,407
right under our feet.
587
00:30:07,500 --> 00:30:12,172
NARRATOR:
June 13, 2014.
588
00:30:12,205 --> 00:30:15,274
Scientists researching
the Earth's mantle
589
00:30:15,308 --> 00:30:18,311
announce that they have found
what they believe
590
00:30:18,343 --> 00:30:22,282
to be a vast body of water,
three times the volume
591
00:30:22,314 --> 00:30:24,249
of all of our oceans combined,
592
00:30:24,283 --> 00:30:26,252
contained within a mineral layer
593
00:30:26,284 --> 00:30:30,389
400 miles inside the Earth.
594
00:30:30,423 --> 00:30:33,326
The discovery
shakes the foundation
595
00:30:33,359 --> 00:30:36,428
of what scientists and scholars
thought they knew
596
00:30:36,462 --> 00:30:40,200
about the ground under our feet.
597
00:30:40,233 --> 00:30:42,769
We have just scratched
the surface of the Earth.
598
00:30:42,802 --> 00:30:45,237
We drilled down,
like, eight miles,
599
00:30:45,271 --> 00:30:47,640
and we had to stop
because it got too hot.
600
00:30:49,242 --> 00:30:51,144
Out of 4,000 miles
601
00:30:51,177 --> 00:30:53,279
basically to
the core of the Earth
602
00:30:53,312 --> 00:30:54,514
we went down eight.
603
00:30:54,546 --> 00:30:55,681
That's nothing.
604
00:30:56,783 --> 00:30:58,517
AGNEW:
We have more than 70
605
00:30:58,551 --> 00:31:01,021
active space programs right now.
606
00:31:01,053 --> 00:31:03,622
We can tell you more
about the surface of the Moon
607
00:31:03,656 --> 00:31:07,627
than we can the surface
underneath our own oceans.
608
00:31:09,795 --> 00:31:12,498
NARRATOR:
Our scientific understanding
609
00:31:12,532 --> 00:31:14,367
of the internal structure
of the Earth
610
00:31:14,399 --> 00:31:18,737
is primarily based
on observations of seismic waves
611
00:31:18,771 --> 00:31:21,041
generated during earthquakes
612
00:31:21,073 --> 00:31:24,777
and knowledge
of Earth's gravitation field.
613
00:31:24,811 --> 00:31:27,781
Since we have not actually
drilled down far enough
614
00:31:27,813 --> 00:31:30,417
to confirm these findings,
615
00:31:30,449 --> 00:31:32,418
could it be that we may be wrong
616
00:31:32,452 --> 00:31:36,389
about the composition
of our own Earth?
617
00:31:36,421 --> 00:31:40,392
Some ancient astronaut theorists
say yes,
618
00:31:40,426 --> 00:31:44,129
and suggest that according
to our earliest mythologies,
619
00:31:44,162 --> 00:31:47,699
an other Earth might not
be found in the heavens,
620
00:31:47,733 --> 00:31:50,803
but deep within our own planet.
621
00:31:50,837 --> 00:31:54,340
AGNEW: One of the most
consistent themes that we find
622
00:31:54,372 --> 00:31:56,775
in ancient cultures,
when we travel around the world,
623
00:31:56,809 --> 00:32:00,280
is the idea that there is
another world,
624
00:32:00,312 --> 00:32:04,316
another Earth,
inside of the planet.
625
00:32:04,350 --> 00:32:07,286
One of those is
the Maya tradition.
626
00:32:07,320 --> 00:32:11,291
They have a holy book
called the Popol Vuh.
627
00:32:11,323 --> 00:32:13,826
Inside this book,
it talks about two twin boys
628
00:32:13,860 --> 00:32:16,329
that came up out of the Earth,
629
00:32:16,361 --> 00:32:20,600
and were actually
the first humans on the planet.
630
00:32:20,632 --> 00:32:23,735
And to this day,
they still believe
631
00:32:23,768 --> 00:32:27,272
that life force comes
from inside the planet,
632
00:32:27,305 --> 00:32:29,408
not from outside, in heaven.
633
00:32:29,441 --> 00:32:31,710
The Mayans have this,
634
00:32:31,744 --> 00:32:33,812
the Tibetans have this,
635
00:32:33,846 --> 00:32:36,716
the Hopi Indians have this.
636
00:32:36,748 --> 00:32:39,151
CHILDRESS:
Within Buddhism, there's stories
637
00:32:39,185 --> 00:32:41,821
of a place called Agarta,
or Agarte,
638
00:32:41,853 --> 00:32:43,856
which is an inner world.
639
00:32:43,889 --> 00:32:45,691
And it's inhabited,
too, by people,
640
00:32:45,725 --> 00:32:48,261
and that they are
an advanced race.
641
00:32:48,293 --> 00:32:51,464
And even that they have trains
and vehicles
642
00:32:51,496 --> 00:32:55,334
that are moving
through this inner Earth.
643
00:32:55,368 --> 00:32:59,706
TZADOK: The most ancient
teachings share with us
644
00:32:59,738 --> 00:33:01,874
the shocking revelation
645
00:33:01,908 --> 00:33:04,744
that the Garden of Eden
was on no place
646
00:33:04,776 --> 00:33:06,411
on the face of the Earth,
647
00:33:06,445 --> 00:33:08,848
but rather, the Earth is hollow,
648
00:33:08,880 --> 00:33:11,717
and that the Garden of Eden
649
00:33:11,751 --> 00:33:14,721
is an entire domain
in inner Earth.
650
00:33:14,754 --> 00:33:17,890
So, are these stories literal?
651
00:33:17,924 --> 00:33:20,593
There are those
who believe that they are.
652
00:33:20,626 --> 00:33:22,929
NARRATOR:
Is it possible
653
00:33:22,962 --> 00:33:25,632
that an other Earth
can be located
654
00:33:25,665 --> 00:33:28,401
within the confines
of our own planet?
655
00:33:28,434 --> 00:33:32,705
Historically, underground realms
were not relegated
656
00:33:32,737 --> 00:33:34,506
to mere mythology.
657
00:33:34,540 --> 00:33:36,743
Well-respected scientists
658
00:33:36,775 --> 00:33:39,579
and mathematicians
have long speculated
659
00:33:39,611 --> 00:33:43,749
about a theory that became known
as Hollow Earth.
660
00:33:43,783 --> 00:33:45,418
DENNIN:
The scientist Edmond Halley
661
00:33:45,450 --> 00:33:47,419
is most famous
for Halley's Comet.
662
00:33:47,453 --> 00:33:49,622
He was also very interested
in the Earth,
663
00:33:49,655 --> 00:33:52,524
and one of the challenges is,
was trying to figure out
664
00:33:52,558 --> 00:33:54,594
what was the real structure
of the inside of the Earth.
665
00:33:54,627 --> 00:33:58,798
He had a fascinating theory
of not just a hollow Earth,
666
00:33:58,831 --> 00:34:00,900
but a Earth with multiple layers
667
00:34:00,933 --> 00:34:02,835
and many different atmospheres
668
00:34:02,868 --> 00:34:05,672
with many different layers
of land and earth,
669
00:34:05,705 --> 00:34:09,609
circling and being concentric
as you went towards the center.
670
00:34:09,641 --> 00:34:12,812
NARRATOR:
75 years later,
671
00:34:12,844 --> 00:34:16,248
18th century mathematician
Leonhard Euler
672
00:34:16,281 --> 00:34:18,550
put forth his own
Hollow Earth theory,
673
00:34:18,583 --> 00:34:20,620
with no concentric shells
674
00:34:20,652 --> 00:34:24,857
and a sun at the center,
spanning 600 miles.
675
00:34:24,889 --> 00:34:27,826
AGNEW: Euler was
a gifted mathematician.
676
00:34:27,859 --> 00:34:30,295
He developed this idea
677
00:34:30,328 --> 00:34:33,765
that the planet, Earth,
is not only hollow
678
00:34:33,799 --> 00:34:37,237
but the poles
are actually thinned.
679
00:34:37,270 --> 00:34:40,406
And there are actually entrances
into the inner core
680
00:34:40,438 --> 00:34:44,476
at the North and South Poles
of the Earth.
681
00:34:44,509 --> 00:34:46,778
He imagined that there were
advanced civilizations
682
00:34:46,812 --> 00:34:48,815
living inside the planet.
683
00:34:48,848 --> 00:34:52,819
NARRATOR: Ideas of
an occupied Hollow Earth
684
00:34:52,851 --> 00:34:55,587
would be revisited
nearly two centuries later,
685
00:34:55,621 --> 00:35:00,860
in 1947, when famous polar
explorer Admiral Richard Byrd
686
00:35:00,893 --> 00:35:06,331
flew reconnaissance missions
over the North Pole.
687
00:35:06,364 --> 00:35:09,801
Byrd allegedly reported
in his private journal,
688
00:35:09,835 --> 00:35:12,772
about a mysterious land
beyond the North Pole,
689
00:35:12,804 --> 00:35:16,775
which he called the
Center of the Great Unknown.
690
00:35:16,808 --> 00:35:20,446
AGNEW: Admiral Richard Byrd
was able to fly
691
00:35:20,478 --> 00:35:21,681
to the North Pole and back,
692
00:35:21,714 --> 00:35:24,817
and recorded flying
over lush green areas
693
00:35:24,850 --> 00:35:26,618
where none should have been.
694
00:35:26,652 --> 00:35:29,922
And then, three years later,
he flew over the South Pole.
695
00:35:29,955 --> 00:35:32,558
BARA: It's rumored that
when Admiral Byrd's task force
696
00:35:32,591 --> 00:35:34,293
actually got to Antarctica,
697
00:35:34,326 --> 00:35:36,029
that one of the first things
they discovered
698
00:35:36,062 --> 00:35:40,500
was an entrance
into a Hollow Earth civilization
699
00:35:40,533 --> 00:35:45,705
that was populated
by very, very advanced beings.
700
00:35:45,737 --> 00:35:48,908
Admiral Byrd made
a lot of unusual statements,
701
00:35:48,940 --> 00:35:51,576
including talking about
702
00:35:51,609 --> 00:35:54,446
what he called
a new kind of craft
703
00:35:54,480 --> 00:35:57,050
that could fly
from pole to pole.
704
00:35:57,083 --> 00:36:01,688
This was reported in newspapers
in Chile and Argentina
705
00:36:01,721 --> 00:36:05,324
and ultimately
in English papers, too.
706
00:36:05,357 --> 00:36:07,893
And when Byrd got back
to the United States,
707
00:36:07,926 --> 00:36:09,695
he was brought back
to Washington,
708
00:36:09,728 --> 00:36:12,831
where he was questioned very
heavily about his statements.
709
00:36:12,864 --> 00:36:17,437
And allegedly he was told
to stop talking about this.
710
00:36:18,571 --> 00:36:19,871
NARRATOR:
Is it possible
711
00:36:19,904 --> 00:36:21,841
that entrances to another world
712
00:36:21,873 --> 00:36:24,877
can be found
at the Earth's poles?
713
00:36:24,909 --> 00:36:26,678
And if so,
714
00:36:26,712 --> 00:36:30,683
did Admiral Byrd actually pass
through one of them?
715
00:36:30,716 --> 00:36:33,819
According to some
ancient astronaut theorists,
716
00:36:33,853 --> 00:36:36,956
such gateways do exist,
717
00:36:36,989 --> 00:36:39,391
but rather than leading
to inner Earth,
718
00:36:39,424 --> 00:36:43,429
they may be portals
to another dimension.
719
00:36:49,404 --> 00:36:53,074
NARRATOR:
Lively, Ontario, Canada.
720
00:36:57,078 --> 00:37:00,349
Just over one mile deep
underground
721
00:37:00,382 --> 00:37:04,552
is one of the most isolated
physics labs in the world,
722
00:37:04,585 --> 00:37:07,622
SNOLAB.
723
00:37:07,656 --> 00:37:11,493
The facility was built deep
within the Earth
724
00:37:11,525 --> 00:37:15,263
in order to block out
cosmic radiation.
725
00:37:15,297 --> 00:37:17,666
This could allow scientists
to possibly
726
00:37:17,699 --> 00:37:20,534
catch a glimpse of an element
that they are confident
727
00:37:20,567 --> 00:37:23,671
exists throughout the cosmos,
728
00:37:23,705 --> 00:37:27,342
but have been unable to detect.
729
00:37:27,375 --> 00:37:31,313
Physicists claim
that everything we can observe
730
00:37:31,346 --> 00:37:35,350
accounts for less than
five percent of the universe.
731
00:37:35,382 --> 00:37:39,254
What constitutes the rest
is completely unknown,
732
00:37:39,286 --> 00:37:42,256
but is thought to include
a mysterious substance
733
00:37:42,290 --> 00:37:44,927
called dark matter.
734
00:37:46,328 --> 00:37:48,697
We know that most of the matter
in the universe
735
00:37:48,730 --> 00:37:51,300
is not made of atoms
or atomic nuclei.
736
00:37:51,333 --> 00:37:53,035
It's something else entirely.
737
00:37:53,067 --> 00:37:56,705
There's a long list
of what dark matter might be,
738
00:37:56,737 --> 00:37:58,940
and some things
we know about already,
739
00:37:58,973 --> 00:38:00,441
black holes, for example,
740
00:38:00,475 --> 00:38:05,047
that's making up part
of the mass of the universe.
741
00:38:05,080 --> 00:38:07,014
If you look out
in the solar system,
742
00:38:07,047 --> 00:38:10,685
you can see the orbits
of various galaxies, universes,
743
00:38:10,719 --> 00:38:12,688
solar systems, planets,
all of these,
744
00:38:12,721 --> 00:38:15,123
and you can map their orbits,
and you realize
745
00:38:15,156 --> 00:38:17,391
that there's missing matter that
you can't see through light.
746
00:38:17,424 --> 00:38:20,094
This is
what we call dark matter.
747
00:38:23,098 --> 00:38:25,300
NARRATOR:
The existence of dark matter
748
00:38:25,333 --> 00:38:29,338
was not scientifically accepted
until the 1980s.
749
00:38:32,473 --> 00:38:34,109
Since that time,
750
00:38:34,141 --> 00:38:36,043
many scientific speculations
have been made
751
00:38:36,076 --> 00:38:39,113
as to its true nature.
752
00:38:39,147 --> 00:38:41,750
Theories range
from it being the glue
753
00:38:41,783 --> 00:38:44,752
that holds together
the visible universe
754
00:38:44,786 --> 00:38:47,723
to a shadow galaxy
that contains within it
755
00:38:47,755 --> 00:38:51,692
a parallel universe.
756
00:38:51,726 --> 00:38:56,465
One theory is, is that, uh,
the dark matter particles
757
00:38:56,498 --> 00:39:00,635
are particles that are not
really part of this universe.
758
00:39:00,667 --> 00:39:03,671
These hidden dimensions
somehow allows
759
00:39:03,705 --> 00:39:06,040
this dark matter to exist.
760
00:39:06,074 --> 00:39:08,043
It's like a secret room.
761
00:39:08,076 --> 00:39:09,644
You own a big mansion
and it turns out
762
00:39:09,676 --> 00:39:12,613
there's a secret room in it and
you just don't know where it is.
763
00:39:12,647 --> 00:39:16,083
WILCOCK: Scientists are saying
these higher dimensions
764
00:39:16,116 --> 00:39:19,086
may, in fact,
coexist with our own
765
00:39:19,120 --> 00:39:22,757
and could, in fact, represent
habitable layers of reality
766
00:39:22,790 --> 00:39:25,026
that are hidden from us
767
00:39:25,060 --> 00:39:29,096
a world that is outside of
our physical ability to measure
768
00:39:29,130 --> 00:39:31,600
but that has people
living in it.
769
00:39:31,632 --> 00:39:33,401
And those people
could be coming and going
770
00:39:33,435 --> 00:39:36,538
to our reality all the time.
771
00:39:39,540 --> 00:39:41,709
NARRATOR:
Could an extraterrestrial world
772
00:39:41,743 --> 00:39:45,112
actually be located
in a parallel universe,
773
00:39:45,145 --> 00:39:49,450
hidden within dark matter?
774
00:39:49,484 --> 00:39:53,221
If so, might our
current scientific exploration
775
00:39:53,254 --> 00:39:55,824
of dark matter
lead us to discover
776
00:39:55,857 --> 00:39:59,695
that we are not alone
in the cosmos?
777
00:40:04,565 --> 00:40:08,536
But whether an other Earth
exists in another dimension...
778
00:40:08,569 --> 00:40:11,105
under our feet...
779
00:40:11,138 --> 00:40:14,141
or in a distant galaxy
780
00:40:14,174 --> 00:40:19,281
what would its discovery mean
for the future of humanity?
781
00:40:19,313 --> 00:40:22,616
YOUNG: If we were to discover
the other Earth,
782
00:40:22,650 --> 00:40:25,554
the place we have sought,
the missing world,
783
00:40:25,587 --> 00:40:29,523
it would be profoundly humbling.
784
00:40:29,556 --> 00:40:33,828
So this would be quite
a paradigm shift.
785
00:40:33,862 --> 00:40:37,699
History would change
in a very major way.
786
00:40:37,732 --> 00:40:41,168
WILLIAM HENRY: If we were
to find another planet
787
00:40:41,201 --> 00:40:43,571
with life on it, it would affirm
788
00:40:43,605 --> 00:40:47,109
what spiritual and sacred
traditions have been saying:
789
00:40:47,141 --> 00:40:51,413
that we are, in fact, part
of a larger family
790
00:40:51,446 --> 00:40:53,681
of, perhaps,
other civilizations.
791
00:40:55,482 --> 00:40:57,585
TSOUKALOS:
We have this cosmic origin.
792
00:40:57,618 --> 00:41:01,622
We have this imprint
within all of us
793
00:41:01,656 --> 00:41:05,159
that our origin is out there.
794
00:41:05,192 --> 00:41:08,529
If we discover intelligent life,
795
00:41:08,563 --> 00:41:11,166
the question we then have
to ask,
796
00:41:11,199 --> 00:41:15,737
are those the same people
that visited us in the past?
797
00:41:18,705 --> 00:41:20,875
NARRATOR: Is mankind
on the brink of uncovering
798
00:41:20,909 --> 00:41:25,514
definitive evidence
that we are not alone?
799
00:41:25,547 --> 00:41:28,884
Will we learn that
there is other intelligent life
800
00:41:28,917 --> 00:41:30,619
in the universe,
801
00:41:30,652 --> 00:41:35,557
perhaps far older
and more advanced than humans?
802
00:41:35,589 --> 00:41:38,626
And might
such a discovery force us
803
00:41:38,659 --> 00:41:42,897
to redefine everything we know
about ourselves?
804
00:41:42,931 --> 00:41:44,933
Perhaps, one day soon,
805
00:41:44,966 --> 00:41:48,770
we will find
that there is an other Earth
806
00:41:48,802 --> 00:41:52,607
and not just one, but thousands.
807
00:41:52,639 --> 00:41:56,745
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808
00:41:56,795 --> 00:42:01,345
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