Original subtitles

[soft music]

♪ ♪

[wind gusting softly]

Elba: In every direction...

In every moment...

We are surrounded by wonder.

♪ ♪

For thousands of generations,

we have looked up to the night sky...

And dreamt about what might be out there.

♪ ♪

Now we are beginning a voyage...

to visit these distant places...

♪ ♪

And discover what lies in the great expanse

beyond our home.

♪ ♪

[calming music]

♪ ♪

High above us,

the International Space Station

orbits the Earth.

♪ ♪

Within this tangle of wires and windows

is our first permanent home in the cosmos.

♪ ♪

And for the crew who float on board,

it's a whole new way of life.

♪ ♪

Here, there is no up or down...

♪ ♪

No day or night as we experience on Earth.

♪ ♪

It's the ultimate cocoon.

♪ ♪

Further out than here,

space travel becomes a more formidable challenge.

[indistinct radio chatter]

Past the Moon,

only machines have ventured.

♪ ♪

But they have captured stunning images

of the beauty that lies beyond.

♪ ♪

Saturn...

the jewel of the solar system.

♪ ♪

Probes sent here are cloaked

in protective golden blankets...

♪ ♪

Keeping them safe

as they survey this majestic giant.

♪ ♪

In its orbit...

we've discovered 82 moons.

♪ ♪

Its rings stretch 175,000 miles across...

But are typically just 30 feet tall.

♪ ♪

With the help of our robotic explorers...

We're getting the first close-up glimpse

of our planetary neighbors...

In all their complexity and beauty.

♪ ♪

Only two human-made craft have ever traveled

past the boundaries of our solar system...

Into the Milky Way Galaxy that surrounds us.

[soft music]

♪ ♪

[indistinct radio chatter]

♪ ♪

They carried with them memories

and messages from our world...

[indistinct radio chatter]

♪ ♪

Hello from the children of Planet Earth.

♪ ♪

Elba: Greetings from humanity,

perhaps one day to be discovered.

♪ ♪

There are over 100 billion stars...

strewn like dust across our galactic home...

♪ ♪

And we now believe almost all these stars

have planets of their own.

[dramatic music]

♪ ♪

This is TRAPPIST-1...

♪ ♪

A small, dim star...

with seven planets in its orbit.

♪ ♪

We've detected thousands of planetary systems

like this one all over the galaxy.

♪ ♪

We can't yet see these worlds in detail.

♪ ♪

But we can infer what they might be like.

♪ ♪

55 Cancri E...

♪ ♪

A planet of profound contrasts.

♪ ♪

One side of this giant world

is permanently locked,

facing towards its parent star.

Its surface likely molten.

♪ ♪

[wind gusting softly]

The other side sits in perpetual darkness...

Landscapes destined

to an eternity without light.

[soft music]

♪ ♪

Out there in the galaxy...

Are endless permutations

of texture and form...

♪ ♪

[wind gusting]

Worlds encased in ice...

♪ ♪

[waves roaring]

♪ ♪

Planets wrapped entirely in ocean...

♪ ♪

Wonders...

waiting to be explored.

♪ ♪

Deeper into the Milky Way Galaxy...

we uncover beauty and mystery

on a larger scale.

♪ ♪

This the Gum 29 nebula.

♪ ♪

At its center is a cluster

of 3,000 newborn stars.

♪ ♪

As these bright, young stars burn,

they radiate energy outward...

♪ ♪

Sculpting the surrounding gas and dust

into this magnificent sight...

♪ ♪

Stretching light-years across...

♪ ♪

But this nebula...

is just one among many.

♪ ♪

Countless of these stellar nurseries

fill our galaxy...

♪ ♪

Each a unique work of art.

♪ ♪

The scale of the Milky Way Galaxy

is almost inconceivable.

♪ ♪

Traveling at the speed of light,

it would take 100,000 years

to cross from one side of this vast disk

to the other.

♪ ♪

But our galaxy is not alone.

♪ ♪

Two and a half million light-years away...

Is the Andromeda Galaxy...

♪ ♪

A collection of one trillion stars.

♪ ♪

We sit within a greater...

grander universe.

♪ ♪

We have captured images of galaxies

of every kind...

♪ ♪

Scattered across impossible distances.

♪ ♪

Every point of light here is not a star...

but a galaxy.

♪ ♪

These are places we can see...

♪ ♪

But will never reach.

♪ ♪

We're only left to imagine the wonders

that might exist out there...

♪ ♪

Symphonies written...

Love stories told...

Unimaginable beings...

With unknowable dreams.

♪ ♪

Back home...

Our place in this universe...

♪ ♪

Tiny...

And magnificent...

♪ ♪

A drop...

That has just begun to see the ocean.

♪ ♪