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(MISSION CONTROL) Pegasus, proceed with checklist for trans-Venus injection.
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(YVAN) Copy that.
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(NARRATOR) It is our destiny to explore the far frontiers of space.
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Last century we took the first steps to the moon.
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Imagine we were ready to take the next giant leap.
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This is the story of a manned voyage to the planets.
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Humanity's greatest challenge and ultimate adventure.
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(MISSION CONTROL) Event timer countdown. Five, four, three, two, one.
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(NARRATOR) This eight-billion-mile tour of our solar system
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is based on science fact, not fiction.
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Using data from over 40 years of unmanned probes and human space flight,
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it is a vision of how technology could take us on a search for the origins of our own planet
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and signs of extraterrestrial life.
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No single nation could take on a project this vast.
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A manned mission to the planets is a global endeavour,
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but the dreams of billions lie in the hands of just five astronauts.
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They represent a wide range of disciplines - engineering, medicine,
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geology and aeronautics.
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These five are scientists as well as astronauts
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and they've been training for this mission most of their adult lives.
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The mission will begin with Venus. It's our nearest neighbour, but nothing like Earth.
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Venus is the most hostile planet in the solar system.
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Two of the crew will attempt to land on its burning surface.
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Huge electrostatic storms, winds of over 200 miles an hour.
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Clouds of hydrochloric acid, sulphuric acid. It gets so hot on the surface, it never rains.
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(T0M) They'll be flying into hell.
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Venus is permanently covered with cloud, so they will be the first humans to see the surface.
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Venus is covered in lava plains and it's comparatively recent.
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The thing is we've never seen any eruptions so...what's going on?
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No ordinary spacesuit can withstand the soaring temperatures and crushing pressures.
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This titanium suit has been tested in a blast furnace.
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On Venus, it will only function for about one hour.
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(YVAN) It's a bit like going to Rome and getting only two seconds in the Sistine Chapel.
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When I get down there, I won't have time for big speeches.
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I'll have to leave that to politicians. I'm going there to pick up rocks.
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They will be out of Earth's gravity and their muscles will be weakened.
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Grigorev will need all his strength once he's on the surface.
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0n Venus, the gravity's like Earth's so it'll come as quite a shock.
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We've got an exercise regime on the way there to help, but the suit weighs 100 kilos.
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(BLEEPING)
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The crew will pursue their mission objective.
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the search for any signs of life even in the acid storms of Venus.
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There's a thin layer about 45 kilometres up.
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The temperatures and pressures there are just low enough for microbes to live off the sulphur.
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No one thought they'd find life in the hot sulphur springs here on Earth.
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If life is tough enough to make it there, why not Venus?
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(MISSION CONTROL) We have lift-off.
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(NARRATOR) This is Pegasus, one mile of nuclear-powered spacecraft,
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home for the next six years, an oasis of life in the vacuum of space.
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Everyone understands the risks. There's no guarantee any of them will make it home.
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(MISSION CONTROL) You have a go for trans-Venus injection.
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Godspeed, Pegasus.
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(NARRATOR) The five astronauts rely on thousands back on Earth.
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The tip of the iceberg - Mission Control.
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This nerve centre is vital to the success and survival of the crew.
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Flight Director is in overall control.
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Flight Dynamics Officer, or FiDO, handles all manoeuvres.
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Flight Surgeon assesses crew health and the risks
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as the astronauts perform experiments designed by the Science Director.
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All Mission Control advice is relayed to Pegasus through Capcom.
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Pegasus, you are go...
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Six weeks from Earth and Pegasus is in Venus orbit,
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ready to send the lander Orpheus into the inferno.
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(TOM) Fantastic sight, Larry. You ought to be here, man.
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(LARRY) I'm eating my heart out, Tom.
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(T0M) Pegasus standing by for 0rpheus pad on descent.
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(MAN) Surface temperatures can melt lead and pressures could crush a submarine.
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The lander's designed to last for two hours.
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(TOM) Orpheus bay is open.
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You have to treat Venus like a bank job. Get in, do your experiments fast and get out.
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- You have the parameters for the descent, over. - Coming up.
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Grigorev and Lessard will be the first humans on Venus, but not the first visitors from Earth.
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The Soviets landed eight probes on Venus from the '60s up until the '80s - the Venera series.
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They withstood the heat and pressure long enough
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to transmit our first pictures back from another planet.
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The last one touched down in 1982, Venera 14. The Russians are keen to find out what's left.
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(YVAN) My grandfather worked on Venera 14. For him, it was a complete disaster.
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The camera ejected its lens cap and it landed exactly where the soil sample was due to go in.
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It blocked it, so they got one wonderful picture before the camera insides melted,
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but they couldn't touch the surface.
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(ZO? Auto-sense sequencer up. We're ready for release.
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(CAPCOM) Orpheus, go front dock.
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(NINA) I see a good set. They're out at five metres per second.
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(T0M) APU's looking good. (NINA) Altitude is nominal.
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(CAPCOM) Looking good, Orpheus.
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(NINA) They'll be hitting the atmosphere in one minute.
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(JOHN) Max G due in 10 seconds. (NINA) Loss of signal in 5.
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25,000 kilometres per hour. Heat shield 1,800 centigrade.
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Switching to Venus com sat 4.
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(TOM) Orpheus Pegasus.
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0rpheus Pegasus, over.
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Orpheus Pegasus.
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Orpheus Pegasus, over.
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- FiD0, when are you expecting tracking? - Two minutes ago, Flight.
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Orpheus Pegasus.
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Orpheus Pegasus.
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- Is the high gain antenna on? - (CRACKLY TRANSMISSI0N FR0M 0RPHEUS)
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(CHEERING)
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(BABBLE 0F V0ICES)
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Successful flight chute deployed.
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Post-guidance systems are good.
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Wind speeds are up, 0rpheus. You are drifting west.
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Thin margin. Compensating east. Been told there's flashes.
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- Yeah, roger that. We saw that one from here. - Higher sulphur than expected.
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Something could've erupted.
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Hey, I can see the surface.
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I can see it's beneath us - exactly like the radar images.
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Three metres minus half.
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Forward one, down half.
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- How's the cabin pressure? - Pressure's good.
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(ZO? Abort override off. (TOM) Looks good. You got a stay for Venus.
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(ZO? Orpheus has arrived in HadesI
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(CHEERING)
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(THUNDER)
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(THUNDER)
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(TOM) We have visual on Venera 14. (NINA) Radar's giving 236 metres.
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(JOHN) Looks further. Unbelievable distortion.
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(CRACKLING THUNDER)
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(ZO? Lost the camera.
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- It's imploded under the pressure. - Did we get his first step? Any words?
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(YVAN) Looking at the surface camera on one.
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(YVAN) Are you getting this, 0rpheus? It's like a dull day in Moscow down here.
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Strange flat light everywhere. 0range.
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(Z0? Beautiful. Don't stop.
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(YVAN) I can't tell where the sun is. There are no shadows.
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- (THUNDER) - (CAPCOM) Pegasus Control.
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We are enjoying the show, but be advised, you're four minutes behind the timeline.
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- (NINA) Seismic sensors are recording activity. - It's just Yvan's footsteps.
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His heart rate is higher than the simulations.
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He will have to take it more slowly. There may not be time for all the experiments.
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(YVAN) 0K... (GASPS F0R BREATH)
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Seismic sensor network is set.
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- (THUNDER) - This is a grim place.
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It's difficult to judge distance.
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And the atmosphere is so dense, it's like walking through water.
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(EXPL0SI0N)
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(TOM) Orpheus Pegasus, tell him to forget the camera. He's gotta move on.
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Orpheus, do you copy?
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Got a warning light. We're trying to get a visual on that. Got a computer shutdown.
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Yvan, you're behind. Suggest you move on.
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(ZO? I've got one or two issues in here, too. Let's not overstay our welcome.
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(YVAN GASPS) Yes, some welcome. 0K...let's see if Venera's done any better.
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(TOM) Orpheus, it's time to pace himself. That's a 450-metre round trip.
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Must be at least 50 metres.
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It's difficult to see through this heat haze... but it looks like she's still in one piece.
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Just past the 28-minute mark. Suit temperature is higher than planned. Heart rate is still up.
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Some surface corrosion. I can see a little dust.
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(THUNDER)
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- (YVAN PANTS) It's a little bit pitted. - Do we have any commonality...
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(YVAN) The Russian robot, she's beaten Venus. (GASPS FOR BREATH)
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Robots may be tougher than us... but we don't make the same mistakes.
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(ZO? Recommend we drop the second weather experiment.
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John's in agreement, so roger that.
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(ZO? Call that a wrap on Venera, Yvan. Just rapid return to Orpheus.
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All right.
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(YVAN BREATHES HEAVILY)
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It's uphill back to 0rpheus and his heart rate's already too high. He needs a breather.
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- The gravity's killing him. He needs a break. - Forget it, John, he's gotta keep moving.
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- I've got an update on your ascent pattern. - He's suffering from overheating.
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- He's four minutes over-budget. - Let's work out exactly what it is she's venting.
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- Ascent pattern coming up. - (YVAN GASPS)
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My air has almost run out.
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- Cabin temperature 22 degrees, up 4. - (TOM) Zo? prepare for launch.
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- (W0MAN) Heart rate 186. - Downloading a diagnostic routine.
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Suit temperature 32 degrees.
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- (Z0? Yvan, we've got to go. Just lost... - (BEEPING)
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(ZO? No, it's back.
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- Cabin pressure holding. - (NINA) What is the weather doing?
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- Nina? - We've just lost camera 3.
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(ZO? He's inside. (NINA) Super coolers are off.
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(JOHN) Temperature falling. 150 degrees...
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- ...70 degrees...20 degrees... - (YVAN) Can we turn the air-con off?
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(ZO? Contact for pressure. Abort stage set and move onto ascent.
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- Ready for launch. - (KLAX0N BLARES)
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(KLAX0N BLARES)
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- Lift-off. - (YVAN SPEAKS RUSSIAN)
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0ne minute till max cue.
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(ZO? We're gonna pitch and yaw now.
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(ZO? OK, she's all yours. (TOM) Five metres and closing.
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Two metres.
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- (YVAN) Still in one piece? - Pegasus is doing fine, Yvan. Welcome home.
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(NARRATOR) Having survived the hellhole that is Venus,
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the crew of Pegasus has experienced at first hand
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a grim warning for our own planet.
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(J0HN) You can really see that haze layer.
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(T0M) Hard to believe it could ever have been like Earth.
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When people ignore greenhouse gases here, they should look at Venus.
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The carbon dioxide there - from volcanoes, not pollution - created a runaway greenhouse effect
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that sent temperatures soaring over 400 centigrade.
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Mars window is open, reactor temperature nominal, cryogens of 36 psi.
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Pre-combustion chamber at pressure. All systems are go.
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Capcom, give the go-ahead for the burn.
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(TOM) Event timer countdown to trans-Mars injection.
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Five, four, three, two, one.
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We have ignition.
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(NARRATOR) Throughout human history,
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one planet has gripped our imagination more than any other.
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The one place in our solar system most likely to support life.
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Mars.
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Hi. Pegasus commander Tom Kirby here.
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Halfway to Mars and time for our regular Q and A.
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This week's topic is our interplanetary home Pegasus.
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We've got the email address on the screen, so keep those questions coming.
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OK, first question is. How big is Pegasus?
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Well...you could fit in twelve football fields end to end,
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so pretty big.
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Why do you have a Frisbee stuck on the end of your spaceship?
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We call that the disk and that's our main shield against the sun
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and the planetary atmospheres we sometimes have to fly through to slow ourselves down.
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It's also where our nuclear engines are so, all in all, a very important Frisbee.
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Some questions about the instrument panels here in the cockpit. Why don't we take a look?
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Looks impressive, huh? Well, I'll let you in on a little secret.
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(WHISPERS) Most of these are duplicates in case of short-outs,
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but don't tell anybody because we think it makes us look coolI
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(LAUGHTER)
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- Let's go downstairs and see some sights. - (MUSIC)
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Kill that music, JohnI OK, here we are in the crew area.
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What about those Venus samples, Nina? Any little green men yet?
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No, not yet, but I have found some interesting chemicals
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that might have been left by living organisms. I'll keep you posted, 0K?
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John, we got a lot of questions about the water. Is everything recycled?
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Yes, viewers, I've been drinking his urine for the last six months!
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- Mmm! - (MUSIC) # All the crazies
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# Try to space me and I don't know... #
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(T0M) Zero G is a lot of fun, but too much of it's very bad for your health.
226
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These rotating modules
227
00:21:29,487 --> 00:21:33,446
provide us with some gravity to help keep us in shape.
228
00:21:34,927 --> 00:21:40,320
This is 0.5G, to be precise, which is half Earth gravity,
229
00:21:40,487 --> 00:21:45,277
and here we have Zo?Lessard making up for the time she spends in zero G
230
00:21:45,447 --> 00:21:48,280
by exercising three hours a day.
231
00:21:49,007 --> 00:21:52,397
- Let's take a look in Zo?s sleeping module. - No, Tom!
232
00:21:52,567 --> 00:21:55,286
0h, my Lord, someone's broken in!
233
00:21:58,527 --> 00:22:02,839
It's not just a mission to the planets. We're exploring the human body.
234
00:22:03,007 --> 00:22:08,365
No one knows how it'll respond to six years in space - physically, psychologically.
235
00:22:08,527 --> 00:22:10,882
It's new territory.
236
00:22:11,727 --> 00:22:17,802
(T0M) Six years is a long time if you consider time more important than what you do with it.
237
00:22:19,767 --> 00:22:26,366
(NINA) I have spent more time with these guys than anyone. We're more a family than a crew.
238
00:22:26,527 --> 00:22:31,726
I don't see it as giving up anything. I just won the lottery. It's you lot I feel sorry for.
239
00:22:33,487 --> 00:22:38,436
(NARRATOR) More probes have been sent here than any other planet, but Mars has a jinx.
240
00:22:38,607 --> 00:22:40,962
Over half of them failed.
241
00:22:58,687 --> 00:23:02,077
Pegasus Control, you can tell Nina she has a go for EVA.
242
00:23:02,247 --> 00:23:08,436
(FLIGHT) She should be out on the arm by now. What was her heart rate when she left Pegasus?
243
00:23:09,687 --> 00:23:13,600
(NARRATOR) Before sending a lander to Mars, Pegasus needs to refuel.
244
00:23:14,407 --> 00:23:18,241
(NINA) I have a visual on the fuel port. You can slow the arm now.
245
00:23:18,407 --> 00:23:20,637
(TOM) You got it.
246
00:23:21,727 --> 00:23:23,206
(TOM) 10 metres.
247
00:23:24,927 --> 00:23:28,522
(NARRATOR) Carrying enough fuel for the whole tour would be impossible,
248
00:23:28,687 --> 00:23:33,715
so giant tanks of hydrogen have been placed at strategic locations along the route.
249
00:23:36,087 --> 00:23:38,760
(TOM) One or two notches left should do it.
250
00:23:38,927 --> 00:23:45,116
(NINA) OK, right...straight forward... one metre and closing.
251
00:23:50,047 --> 00:23:54,643
It may look effortless, but it takes a lot out of you, doing an EVA.
252
00:23:54,807 --> 00:23:58,925
We have to keep a close eye on it. It's not exciting, it's hard work.
253
00:24:01,367 --> 00:24:05,076
I keep looking down and expecting to see Earth.
254
00:24:05,247 --> 00:24:07,841
It's a fantastic-looking planet.
255
00:24:10,487 --> 00:24:13,843
John, I can see our landing site crystal clear.
256
00:24:22,407 --> 00:24:26,764
(TOM) I don't see any X function at all. (NINA) Coming up on three metres.
257
00:24:26,927 --> 00:24:29,282
- It's doing fine. - (YVAN) Looking good, Aries.
258
00:24:31,327 --> 00:24:34,319
(NARRATOR) Three astronauts will pilot the lander Aries
259
00:24:34,487 --> 00:24:37,285
in a descent with its own particular dangers.
260
00:24:37,967 --> 00:24:42,279
Instead of a hundred times the atmosphere of Earth, on Mars it's 100th,
261
00:24:42,447 --> 00:24:46,998
which presents its own unique set of problems when you wanna try and land.
262
00:24:47,167 --> 00:24:49,886
There's not a whole lot to slow you down.
263
00:24:50,047 --> 00:24:53,642
(DIST0RTED, GARBLED V0ICES)
264
00:24:57,287 --> 00:25:00,996
(TOM) How ya doin' back there? Everyone still with us?
265
00:25:04,087 --> 00:25:07,443
(JOHN) 10 metres...down at two.
266
00:25:13,407 --> 00:25:17,002
(TOM) Lost visual on the ground. There's a lot of dust.
267
00:25:20,447 --> 00:25:22,642
(TOM) All right, I got it.
268
00:25:26,567 --> 00:25:30,276
Stand by for touchdown. Three metres, down at one.
269
00:25:31,367 --> 00:25:32,720
One metre.
270
00:25:34,647 --> 00:25:37,036
- Contact. - (CHEERING)
271
00:25:50,447 --> 00:25:55,441
(TOM) Pressure on. Check yours.
272
00:25:55,607 --> 00:26:00,476
- (JOHN) Pressure integrity check. - 500 pep gauge to 4.0 on the forward dumbbell.
273
00:26:02,287 --> 00:26:04,482
And she's opened and latched.
274
00:26:04,647 --> 00:26:10,165
The hatch is open...and Kirby is on the porch.
275
00:26:31,967 --> 00:26:34,765
(TOM) We stand at the edge of a new frontier
276
00:26:35,607 --> 00:26:39,964
and we vow that we shall not see it governed by a hostile flag of conquest...
277
00:26:40,887 --> 00:26:45,278
..but by a banner of freedom and peace.
278
00:26:47,247 --> 00:26:51,923
My footprints are crisp and the dust clings to my boots.
279
00:26:53,047 --> 00:26:56,517
Wind's picking up. Dust is increasing at your 10 o'clock position.
280
00:26:56,687 --> 00:27:01,636
(T0M) The sky's a kind of butterscotch colour. (NINA) There's dust devil activity.
281
00:27:01,807 --> 00:27:04,401
- Which way is it heading? - I don't know.
282
00:27:04,567 --> 00:27:08,446
- (TOM) Guess I'll stay here, then. - Pegasus, we've got a problem.
283
00:27:08,607 --> 00:27:11,599
(NINA) Scrub the EVA. (ZO? Get Tom inside.
284
00:27:11,767 --> 00:27:13,962
(T0M) Seal the hatch, John.
285
00:27:24,727 --> 00:27:26,922
Will you look at that!
286
00:27:33,127 --> 00:27:35,721
(H0WLING WIND )
287
00:27:36,127 --> 00:27:39,085
(INAUDIBLE TRANSMISSI0N FR0M NINA)
288
00:27:40,687 --> 00:27:42,678
(NINA) Are you OK?
289
00:27:46,727 --> 00:27:50,720
(T0M) Say again, Aries. You sound a little breathless in there.
290
00:27:50,887 --> 00:27:54,038
- (NINA) Are you OK? - Think so.
291
00:27:54,207 --> 00:27:58,598
(ZO? Control want Tom inside now. I don't care how you break it to him.
292
00:27:58,767 --> 00:28:02,965
- That's what I call a Martian welcome! - Want to run through a few suit checks?
293
00:28:03,127 --> 00:28:08,520
(TOM) I think that's a good idea. Why not? (JOHN) It's not as tough as it looks.
294
00:28:11,927 --> 00:28:14,964
Martian dust is easily sucked up into a dust devil.
295
00:28:15,127 --> 00:28:18,517
Luckily, the Martian atmosphere is a pale imitation of ours.
296
00:28:18,687 --> 00:28:21,485
Pressures rarely climb above 100th of Earth's.
297
00:28:21,647 --> 00:28:24,719
Although it may look like a whirlwind, it's a breeze.
298
00:28:24,887 --> 00:28:27,082
(T0M) I could get used to this.
299
00:28:27,247 --> 00:28:30,444
(NINA) Eight weeks will be over before we know it.
300
00:28:30,607 --> 00:28:33,963
(NARRATOR) The astronauts set up camp close to Valles Marineris,
301
00:28:34,127 --> 00:28:38,120
a vast canyon which could unlock the mystery to life on Mars.
302
00:28:38,287 --> 00:28:41,996
(MAN) Geologists are going crazy over those sulphate salts.
303
00:28:42,167 --> 00:28:47,924
Valles Marineris is basically a vast tear in the Martian crust. It's over 4,000km long.
304
00:28:48,087 --> 00:28:52,717
It runs so far round the planet that one end is in daylight while the other is in dark.
305
00:28:52,887 --> 00:28:57,085
(Z0? There's a big temperature difference between the day and the night,
306
00:28:57,247 --> 00:29:02,685
so strong winds surge up through the canyon from the west, which brings up a lot of dust.
307
00:29:02,847 --> 00:29:07,875
That could be a problem. Nobody wants to work in zero visibility next to a 7km drop.
308
00:29:08,527 --> 00:29:12,122
(NARRATOR) This is where they hope to achieve their mission objective.
309
00:29:12,287 --> 00:29:16,280
Not just evidence of life, but maybe life itself.
310
00:29:16,447 --> 00:29:20,486
(NINA) There's evidence water once flowed on Mars. Most of it's long gone.
311
00:29:20,647 --> 00:29:25,243
But in the lowest parts, it might still be there a metre below the surface.
312
00:29:25,407 --> 00:29:28,399
0n Earth, everywhere we find liquid water, we find life.
313
00:29:29,007 --> 00:29:35,003
This is MEP-14. It's our drilling robot. It gets to the floor of Marineris by balloon.
314
00:29:35,167 --> 00:29:38,637
A HydroSensor at this end sniffs out the water,
315
00:29:38,807 --> 00:29:42,402
then a drilling probe this end goes in for the sample.
316
00:29:42,567 --> 00:29:47,561
Then another balloon brings it back up on the surface with evidence of life on Mars.
317
00:29:48,527 --> 00:29:52,759
(J0HN) Two feet. This is definitely better. It's more controllable.
318
00:29:52,927 --> 00:29:55,919
I'm gonna patent this. The Mars bunny hop!
319
00:29:56,087 --> 00:30:00,558
(NINA) John, give it a rest! I'm trying to do a presentation here.
320
00:30:00,727 --> 00:30:04,322
Big day today. We're conducting a robot descent
321
00:30:04,487 --> 00:30:10,960
the seven vertical kilometres down to the floor of Valles Marineris to search for liquid water.
322
00:30:11,127 --> 00:30:14,164
Charlie here has volunteered.
323
00:30:14,887 --> 00:30:16,878
Ah, here's our ride.
324
00:30:20,407 --> 00:30:23,126
Someone order a cab?
325
00:30:23,287 --> 00:30:27,280
(NINA) Shall we dust off first? (J0HN) Yes, let's not mess up this vehicle.
326
00:30:27,447 --> 00:30:30,564
- No names, Kirby! - We're on a dusty planet, guys!
327
00:30:33,047 --> 00:30:35,117
(NARRATOR) Dust devils are harmless,
328
00:30:35,287 --> 00:30:38,757
but global storms have wrecked previous robotic missions.
329
00:30:38,927 --> 00:30:42,317
Pegasus will be keeping a close eye on the surface.
330
00:30:56,327 --> 00:31:00,081
- You're very quiet back there. - (NINA) 0h, John!
331
00:31:00,247 --> 00:31:04,525
(P0P MUSIC PLAYS)
332
00:31:11,647 --> 00:31:15,879
- (NINA) Take it easy, John. - (P0P MUSIC C0NTINUES)
333
00:31:31,567 --> 00:31:35,355
(J0HN) I think I see the edge. (T0M) Famous last words!
334
00:31:37,047 --> 00:31:41,040
- Let's park up here. We can walk the rest. - Keep the handbrakes on.
335
00:31:41,207 --> 00:31:42,959
(T0M) Yeah, yeah, yeah.
336
00:31:58,327 --> 00:32:01,876
- God! - (J0HN) Yep.
337
00:32:02,047 --> 00:32:04,038
(NINA) Look at those layers.
338
00:32:04,207 --> 00:32:07,119
Millions of years of Martian history.
339
00:32:07,287 --> 00:32:10,484
(J0HN) Makes the Grand Canyon look like a scratch.
340
00:32:29,887 --> 00:32:34,039
(TOM) How do you read, Pegasus? (YVAN) Loud and clear. Pictures are great.
341
00:32:34,207 --> 00:32:37,199
Zo?s going a nice shade of green up here.
342
00:32:37,367 --> 00:32:41,679
Tell her, if it's any consolation, we're gonna name these cliffs after her.
343
00:32:41,847 --> 00:32:44,441
She says that makes all the difference!
344
00:32:44,607 --> 00:32:48,202
- Tell 'em to get back to work! - Did you read that?
345
00:32:48,367 --> 00:32:54,317
4,000 kilometres long, seven kilometres deep. It's a geological heaven and I'm not going!
346
00:32:54,487 --> 00:32:58,560
But, still, I don't think there'll be any clouds. I'll have a ringside seat.
347
00:32:59,527 --> 00:33:02,678
(TOM) Ready for descent. (ZO? Copy that, Tom...
348
00:33:02,847 --> 00:33:04,917
(NARRATOR) 150 million miles away,
349
00:33:05,087 --> 00:33:10,115
Mission Control monitors another serious health hazard - the sun.
350
00:33:10,287 --> 00:33:14,838
We have a solar weather warning. Hazard class. We should get them under cover.
351
00:33:15,007 --> 00:33:18,397
Capcom, tell them there's a solar flare heading their way...
352
00:33:18,567 --> 00:33:21,400
(NARRATOR) Solar flares send storms of charged particles
353
00:33:21,567 --> 00:33:23,762
blasting across the solar system.
354
00:33:23,927 --> 00:33:28,876
Unlike Earth, Mars has no magnetic field to deflect the lethal radiation.
355
00:33:30,007 --> 00:33:33,397
It'll take 10 minutes for the warning to reach the astronauts
356
00:33:33,567 --> 00:33:37,480
and another 90 minutes before they can reach shelter.
357
00:33:38,687 --> 00:33:42,441
(T0M) Beautiful day, isn't it? (J0HN) Roger that.
358
00:33:43,727 --> 00:33:49,359
(CAPCOM) You have a solar flare heading your way. ETA four minutes behind this message.
359
00:33:49,527 --> 00:33:53,042
- (ALARM BLEEPS) - Affect immediate evacuation of the cockpit.
360
00:33:53,727 --> 00:33:57,322
Tell Tom to abort the EVA. Get back to Aries.
361
00:33:57,487 --> 00:34:01,685
Surgeon wants dosimeter readings before the solar storm reaches you.
362
00:34:01,847 --> 00:34:05,203
- That's two minutes behind this message. - (ALARM BLEEPS)
363
00:34:12,767 --> 00:34:15,486
(NINA) Can't this heap go any faster?
364
00:34:27,887 --> 00:34:32,802
(J0HN) 25 hours. Radiation levels are falling.
365
00:34:32,967 --> 00:34:36,596
- Won't be much longer. - (GEIGER C0UNTER CRACKLES)
366
00:34:37,287 --> 00:34:41,280
(JOHN) Looks just the same out there. You wouldn't think it was lethal.
367
00:34:41,447 --> 00:34:45,235
(GEIGER C0UNTER CRACKLES)
368
00:34:45,407 --> 00:34:47,602
Nothing.
369
00:34:52,047 --> 00:34:56,245
- I've never felt more awake in my life. - (GEIGER C0UNTER CRACKLES)
370
00:35:01,887 --> 00:35:03,684
(NINA) Good luck, Charlie.
371
00:35:03,847 --> 00:35:08,238
(NARRATOR) Once the solar storm passes, the astronauts pick up where they left off
372
00:35:08,407 --> 00:35:11,604
at the cliffs of Valles Marineris.
373
00:35:11,767 --> 00:35:15,362
(NINA) Wind speed 9.5 metres per second.
374
00:35:15,527 --> 00:35:17,643
080 degrees.
375
00:35:18,607 --> 00:35:23,806
(NARRATOR) It will take six hours for their robot Charlie to reach the floor of the canyon.
376
00:35:23,967 --> 00:35:27,357
(NINA) Altitude 6520, down at 12.
377
00:35:29,167 --> 00:35:32,955
(J0HN) Looks like he's drifting up the alluvial fans.
378
00:35:33,127 --> 00:35:35,561
(NINA) Confirm lateral drift.
379
00:35:35,727 --> 00:35:39,436
(T0M) 0K, John enough pictures already. Let's get some rocks.
380
00:35:49,167 --> 00:35:55,959
I wish I could see Mars without a visor in front of my face. I wish I could...just taste it.
381
00:35:57,047 --> 00:36:02,075
From what I understand, John, what you'd taste is your saliva boiling on your tongue.
382
00:36:04,327 --> 00:36:06,318
0K, I've got another...
383
00:36:06,487 --> 00:36:13,325
(NINA) We're getting some false positives here. 0ur second bore hole is dry. Moving on.
384
00:36:13,487 --> 00:36:15,762
..fine-grained, fairly solid...
385
00:36:15,927 --> 00:36:19,124
(NINA) Drilling bore hole number three.
386
00:36:19,287 --> 00:36:24,236
(J0HN) Probably dust. Perfect kidney-shaped crystals. I wish I could get the dust off it.
387
00:36:24,407 --> 00:36:27,717
(TOM) Distinct metallic lustre, millimetre-sized crystals...
388
00:36:27,887 --> 00:36:31,118
(ZO? Aries Pegasus. (TOM) Reading you. Go ahead.
389
00:36:31,287 --> 00:36:34,836
(ZO? Storm brewing in the western end of Marineris heading east.
390
00:36:37,367 --> 00:36:40,564
- How big? - Most of it's still on the night side.
391
00:36:40,727 --> 00:36:45,926
I think it's a canyon storm, not a global event, but it's got potential to reach you.
392
00:36:46,087 --> 00:36:47,884
OK, roger that.
393
00:36:48,047 --> 00:36:51,039
- (BLEEPING) - (NINA) Charlie's drinking!
394
00:36:51,207 --> 00:36:52,845
(BLEEPING)
395
00:36:53,007 --> 00:36:55,919
(J0HN) Water on the third bore hole.
396
00:36:56,087 --> 00:36:58,317
- (ZO? What's your status? - We did it!
397
00:36:58,487 --> 00:37:01,206
We're just wrapping things up.
398
00:37:01,367 --> 00:37:06,760
- How long till we get it back? - Four hours. Anchors released.
399
00:37:08,487 --> 00:37:12,958
(J0HN) Do we wait? (NINA) We might not get another chance.
400
00:37:13,127 --> 00:37:18,520
(T0M) That is a big storm. Look, the wind's blowing Charlie off course.
401
00:37:18,687 --> 00:37:22,521
(J0HN) This planet is jinxed. (NINA) What are we standing here for?
402
00:37:22,687 --> 00:37:25,838
(Z0? You shouldn't be travelling when this hits you.
403
00:37:26,647 --> 00:37:30,845
This isn't a dust devil, it's a storm. It'll wreck your guidance systems.
404
00:37:31,567 --> 00:37:34,843
Copy that. We have a visual on Charlie.
405
00:37:38,847 --> 00:37:42,237
(ZO? It's well over 10 metres per second advancing east.
406
00:37:42,407 --> 00:37:45,956
- We're collecting the water sample from Charlie. - Gotcha!
407
00:37:46,487 --> 00:37:50,799
(ZO? It's obscuring our view. Expect some com interference.
408
00:37:52,167 --> 00:37:55,000
Aries Pegasus, what's your position?
409
00:37:55,167 --> 00:37:59,365
(T0M) Just parked up. You should've let me drive!
410
00:37:59,527 --> 00:38:02,724
(NINA) Can't see a thing. Where's the ladder?
411
00:38:02,887 --> 00:38:06,926
(ZO? Hope you enjoyed the ride. The forecast says you are grounded.
412
00:38:11,847 --> 00:38:18,764
(YVAN) This is your local weather forecast for the next two days, and it's dust and more dust.
413
00:38:18,927 --> 00:38:23,364
Count yourselves lucky it wasn't a global storm. You'd be stuck inside until spring.
414
00:38:29,167 --> 00:38:30,759
(T0M) What a mess.
415
00:38:39,247 --> 00:38:42,842
(LL0YD ) People say why not do the whole mission with robots?
416
00:38:43,007 --> 00:38:46,761
Without people to wipe their solar panels, those robots would be dead.
417
00:38:46,927 --> 00:38:50,715
They're great for certain tasks, but you can't program initiative.
418
00:38:50,887 --> 00:38:56,041
They don't respond to that glint on the horizon or subtle change in rock colour.
419
00:38:56,207 --> 00:38:58,767
You can't beat eyes, a hand and a hammer.
420
00:38:59,447 --> 00:39:04,043
(J0HN) 0K, this is cricket now. (T0M) Season one in the Martian league.
421
00:39:04,207 --> 00:39:06,198
Hang on, hang on!
422
00:39:08,247 --> 00:39:11,239
- 0h, come on! - 0K, bring it on!
423
00:39:11,407 --> 00:39:14,797
I call this my Martian curve ball.
424
00:39:14,967 --> 00:39:16,764
(GRUNTS) Pretty good!
425
00:39:16,927 --> 00:39:20,237
- What do you call that, huh? Home run! - Wow!
426
00:39:24,847 --> 00:39:29,637
(YVAN) No need for any gyro conversation. You're cleared for take-off.
427
00:39:43,487 --> 00:39:48,083
(NARRATOR) Of all the planets, Mars is the most likely to support a human colony,
428
00:39:48,247 --> 00:39:53,605
but without a magnetic field, they'll have to find another way of protecting against solar flares.
429
00:39:54,447 --> 00:39:56,438
(ZO? Radar gives 90 metres.
430
00:39:56,607 --> 00:39:59,599
(TOM) Stand by for pitch and yaw. Over to you, Zo?
431
00:40:00,407 --> 00:40:02,716
(ZO? One metre and closing.
432
00:40:06,487 --> 00:40:09,843
Soft dock and...hard dock.
433
00:40:12,327 --> 00:40:16,764
(NARRATOR) Mankind's first tour of the inner solar system is complete.
434
00:40:18,967 --> 00:40:24,280
Now the crew of Pegasus prepare to journey on towards Jupiter and the outer solar system.
435
00:40:25,967 --> 00:40:30,563
The fastest route is to fly by the sun and use its enormous gravity
436
00:40:30,727 --> 00:40:33,799
to accelerate them to 300 kilometres per second.
437
00:40:34,967 --> 00:40:39,563
We're not doing this fly-by just to pick up speed. It's a unique opportunity.
438
00:40:39,727 --> 00:40:42,719
We'll be analysing a star closer than ever before.
439
00:40:42,887 --> 00:40:46,038
It's one of the last unexplored regions of the solar system.
440
00:40:46,887 --> 00:40:49,879
From Earth, we can only see the surface, the photosphere.
441
00:40:50,047 --> 00:40:53,756
Pegasus will pass through the outer atmosphere, the corona.
442
00:40:53,927 --> 00:40:59,285
- We'll get our first samples from a star. - (J0HN) Readings follow. Tom has 230...
443
00:40:59,447 --> 00:41:04,760
(NARRATOR) During the solar fly-by, Pegasus needs extra protection, her own magnetic field,
444
00:41:04,927 --> 00:41:11,002
to repel the sun's lethal high-energy particles, but nothing can protect the crew
445
00:41:11,167 --> 00:41:15,558
if they encounter the awesome power of a solar flare this close to the sun.
446
00:41:15,727 --> 00:41:18,321
What about these flares?
447
00:41:18,487 --> 00:41:24,198
Even at solar minimum, we're bound to get some. The magnetic shield won't help us against that.
448
00:41:24,367 --> 00:41:29,361
- How about if the field generator fails? - If that fails, it's a loss of crew.
449
00:41:33,407 --> 00:41:37,400
We've looked into every aspect of energy management on this...
450
00:41:37,567 --> 00:41:41,845
(NARRATOR) It's not just during the fly-by they have to worry about solar radiation.
451
00:41:42,007 --> 00:41:46,637
It's a constant risk once they leave the protection of Earth's magnetic field.
452
00:41:54,887 --> 00:42:00,120
(J0HN) 0ver the course of the mission, we get the equivalent of eight chest x-rays a day.
453
00:42:00,287 --> 00:42:04,758
These dosimeters will change colour if our own personal levels get too high.
454
00:42:05,487 --> 00:42:10,481
These bubble tubes let us know how much radiation is passing through the cabin here.
455
00:42:10,647 --> 00:42:15,277
A bubble forms each time a charged particle hits the gel.
456
00:42:15,447 --> 00:42:20,441
Some radiation will get through. We minimise the effects with special dietary supplements.
457
00:42:20,607 --> 00:42:26,955
(CAPC0M) We have the descent path through from Santa Claus at the North Pole and he's...
458
00:42:27,607 --> 00:42:32,727
Hi, Claire. I've been taking another look at our cumulative doses.
459
00:42:33,687 --> 00:42:38,238
Looks like some of the radiation got through the shield and into the flight deck.
460
00:42:38,407 --> 00:42:44,960
I've increased my supplements and taken blood samples for analysis. I'd love to hear your view.
461
00:42:45,127 --> 00:42:50,724
(MAN) Merry Christmas, Pegasus. I hope Santa gives you everything you ask for. Control out.
462
00:42:55,767 --> 00:42:58,839
(NARRATOR) Pegasus will pass the sun's closest planet,
463
00:42:59,007 --> 00:43:01,567
but there will be no landing on Mercury.
464
00:43:08,407 --> 00:43:13,117
It's not lack of interest. There's a big metallic core and a mysterious magnetic field.
465
00:43:13,287 --> 00:43:18,998
Its surface temperature goes from around 420 degrees centigrade to minus 170 at night.
466
00:43:19,167 --> 00:43:22,876
So even that close to the sun, there could be ice at the poles,
467
00:43:23,047 --> 00:43:29,043
but if we landed there we'd lose so much speed, it'd put another year on the mission, so next time.
468
00:43:32,927 --> 00:43:36,920
Generating a magnetic field powerful enough to shield them against the sun,
469
00:43:37,087 --> 00:43:42,844
even at a distance of five millions miles, means diverting power from all non-essential systems.
470
00:43:43,847 --> 00:43:47,635
Centrifuge is offline. 0.5G.
471
00:43:49,047 --> 00:43:52,164
0.3G. Zero G.
472
00:43:59,607 --> 00:44:04,078
- What was the final word on the air-con? - Sorry, we gotta power it down.
473
00:44:09,087 --> 00:44:11,806
(TOM) OK, let's batten down the hatches.
474
00:44:23,327 --> 00:44:25,921
(YVAN) Swing round to the negative X axis.
475
00:44:26,087 --> 00:44:29,079
(NARRATOR) As Pegasus nears the point of closest approach,
476
00:44:29,247 --> 00:44:33,240
she rotates 180 degrees and uses her disk as extra protection.
477
00:44:33,407 --> 00:44:37,116
(TOM) Coming up on 40 degrees. (YVAN) Shadow in 10 seconds.
478
00:44:37,287 --> 00:44:39,562
(NARRATOR) Of all the bodies Pegasus will encounter,
479
00:44:39,727 --> 00:44:41,718
none are more important than the sun.
480
00:44:41,887 --> 00:44:43,878
All life depends on it.
481
00:44:47,327 --> 00:44:49,318
(TOM) We have totality.
482
00:44:50,927 --> 00:44:53,395
Magnetic field is going up.
483
00:45:05,247 --> 00:45:09,399
- Aurora Pegasalis. - (J0HN) 0ur very own northern lights.
484
00:45:13,447 --> 00:45:18,646
(FLIGHT) 0K, this was the last call to abort the fly-by. Let's have your assessments.
485
00:45:18,807 --> 00:45:22,720
We have the final report in - flare activity's expected to remain low
486
00:45:22,887 --> 00:45:26,641
with less than 1% chance of proton events at the closest approach.
487
00:45:26,807 --> 00:45:31,642
Flight, all systems are nominal. Shield temperature is 2,300 degrees.
488
00:45:36,207 --> 00:45:38,596
(SIZZLING)
489
00:45:40,687 --> 00:45:43,485
God said, ''Let there be light.''
490
00:45:45,847 --> 00:45:49,760
Good luck, guys. It's been a pleasure working with you.
491
00:45:57,807 --> 00:46:01,197
(C0NTINU0US STATIC)
492
00:46:01,367 --> 00:46:04,757
(LL0YD ) They're in the outer atmosphere of the sun.
493
00:46:08,647 --> 00:46:11,366
I'm not hearing them any more, Flight.
494
00:46:12,447 --> 00:46:14,165
Surgeon?
495
00:46:15,567 --> 00:46:18,365
Still getting a strong bio-sensory read-out.
496
00:46:19,447 --> 00:46:21,438
(BLEEPING)
497
00:46:22,887 --> 00:46:26,721
Flight, space assets and ground stations are reporting flare activity.
498
00:46:26,887 --> 00:46:29,082
- Which quadrant? - Checking.
499
00:46:29,247 --> 00:46:32,000
Do they have a class yet?
500
00:46:32,167 --> 00:46:35,159
Predicting...S1 class.
501
00:46:36,647 --> 00:46:38,239
Quadrant?
502
00:46:43,047 --> 00:46:44,844
That's...
503
00:46:45,887 --> 00:46:50,642
..west. Confirmed. Might disrupt our com a little, that's all.
504
00:46:58,247 --> 00:47:01,239
(MAN) Due to re-acquire signal in three hours.
505
00:47:04,527 --> 00:47:07,519
(C0NTINU0US STATIC)
506
00:47:08,687 --> 00:47:12,475
(STATIC WITH T0M'S V0ICE)
507
00:47:15,007 --> 00:47:19,603
(L0UD STATIC WITH T0M'S V0ICE UNDERNEATH)
508
00:47:23,767 --> 00:47:27,646
Trajectory confirmed. Flight, we need mid-course corrections for Jupiter.
509
00:47:27,807 --> 00:47:30,879
But it's acceptable.
510
00:47:31,047 --> 00:47:33,641
(STATIC C0NTINUES)
511
00:47:38,607 --> 00:47:44,284
(TOM) Our dosimeters are mostly in the green. John Pearson's edged into the amber.
512
00:47:44,447 --> 00:47:48,281
Cameras had a tough time and seven computers shut down.
513
00:47:49,127 --> 00:47:54,918
Even with the hatches down, it felt a little too close for comfort in here...but what a sight!
514
00:47:55,087 --> 00:47:59,205
We saw rivers of plasma beneath the photosphere.
515
00:47:59,687 --> 00:48:04,636
We got an outstanding view of the magnetic loop fields. It was incredible.
516
00:48:13,647 --> 00:48:18,846
We also detected some sun quakes, I guess triggered by that flare to the west.
517
00:48:19,007 --> 00:48:22,317
We're glad to have missed that little piece of weather!
518
00:48:24,807 --> 00:48:28,004
(YVAN) Magnetic field generator offline.
519
00:48:35,167 --> 00:48:38,159
Centrifuges online. 0.2.
520
00:48:39,927 --> 00:48:43,124
0.5...full G.
521
00:48:44,007 --> 00:48:49,035
The sun has accelerated Pegasus towards Jupiter, the biggest planet in the solar system,
522
00:48:49,207 --> 00:48:53,166
seven months and 470 million miles away.
523
00:48:53,327 --> 00:48:56,478
(ALL) # Happy birthday to you
524
00:48:57,127 --> 00:48:59,846
# Happy birthday to you
525
00:49:00,607 --> 00:49:04,282
# Happy birthday, dear John
526
00:49:04,447 --> 00:49:08,156
# Happy birthday to you #
527
00:49:08,327 --> 00:49:10,045
(CHEERING)
528
00:49:11,887 --> 00:49:18,725
I thought it was just a shaving rash, but it's been around for, what, two weeks.
529
00:49:20,127 --> 00:49:21,845
Eczema.
530
00:49:24,767 --> 00:49:29,761
Before reaching Jupiter, Pegasus has to run the gauntlet of the Asteroid Belt -
531
00:49:30,687 --> 00:49:34,236
over a million rocks, some the size of small moons.
532
00:49:35,487 --> 00:49:39,526
Most are uncharted and any one of them could end the mission.
533
00:49:39,687 --> 00:49:42,884
(KLAX0N BLARES)
534
00:49:51,607 --> 00:49:53,199
55 minutes.
535
00:49:53,367 --> 00:49:56,165
- Do we need a correction? - Yvan's running the numbers.
536
00:49:56,327 --> 00:49:59,319
- What did Control say? - We'll know in 38 minutes.
537
00:49:59,487 --> 00:50:02,684
- How big is it? - 224 billion tons.
538
00:50:02,847 --> 00:50:04,963
It's gonna pass within one kilometre.
539
00:50:06,167 --> 00:50:09,716
- Sounds like a course correction. - Let's see what Control say.
540
00:50:09,887 --> 00:50:13,402
Closest approach is 10km. That's a completely reliable figure.
541
00:50:13,567 --> 00:50:17,765
- Why the discrepancy? - The alarm initiated after two locks on the target.
542
00:50:17,927 --> 00:50:24,082
Not enough for a reliable projection. We based ours on more data than they've got up there.
543
00:50:24,247 --> 00:50:28,798
They get a fantastic fly-by and we can steal some more science.
544
00:50:28,967 --> 00:50:32,880
Consider the psychological effects of throwing a close fly-by at them.
545
00:50:33,047 --> 00:50:38,041
- They've done this a thousand times in sims! - We need to get back to them, Flight.
546
00:50:43,407 --> 00:50:45,398
Tell them to maintain course.
547
00:50:49,927 --> 00:50:56,560
Pegasus Control, we've got a ''no trajectory change'' on that alarm. Repeat ''no change''.
548
00:50:59,687 --> 00:51:04,078
We've got a ''no trajectory change'' on that alarm. Repeat ''no...''
549
00:51:04,247 --> 00:51:07,205
(RHYTHMIC BLEEPING)
550
00:51:10,207 --> 00:51:12,926
(NINA) Got it. (J0HN) It's a binary.
551
00:51:13,087 --> 00:51:17,285
(Z0? How close is it gonna pass? (YVAN) Main body, 4km long...
552
00:51:17,447 --> 00:51:19,915
- How close? Yvan? - 0ne kilometre.
553
00:51:20,087 --> 00:51:23,363
- (YVAN SPEAKS RUSSIAN) - Who says 10km, then?
554
00:51:23,527 --> 00:51:27,520
- They've got more data. - They're not staring at it in the face!
555
00:51:27,687 --> 00:51:31,157
- Have we got time to run another simulation? - (T0M) No!
556
00:51:32,487 --> 00:51:35,285
- Aren't we gonna discuss this? - We just did.
557
00:51:35,447 --> 00:51:37,517
(BLEEPING INTENSIFIES)
558
00:51:40,727 --> 00:51:43,480
(RAPID BLEEPS)
559
00:51:46,927 --> 00:51:49,760
(RAPID BLEEPS)
560
00:51:55,607 --> 00:51:58,405
- (BLEEPING INTENSIFIES) - Here they come.
561
00:52:05,407 --> 00:52:09,195
(YVAN) Better go out and check the paintwork! (J0HN) Are we insured?
562
00:52:09,367 --> 00:52:13,838
(Z0? Let's switch the com off for half an hour. Let THEM sweat!
563
00:52:14,007 --> 00:52:18,080
- (W0MAN) 15 kilometres...5 kilometres! - (HUSHED GASPS)
564
00:52:19,167 --> 00:52:21,965
I'll be damned. 920 metres.
565
00:52:24,527 --> 00:52:28,645
- Would that be a completely reliable figure (?) - (SH0CKED MURMURS)
566
00:52:48,887 --> 00:52:52,118
Thank you for the fly-by. We got a good view.
567
00:52:53,047 --> 00:52:57,006
- Incroyable! - It was a C type binary.
568
00:52:57,167 --> 00:53:01,922
We've named the twins Hubris and Catastrophe. Let's hope they never head YOUR way.
569
00:53:10,087 --> 00:53:11,839
(NINA) Airlock door is open.
570
00:53:12,007 --> 00:53:13,804
(NARRATOR) This far from the sun,
571
00:53:13,967 --> 00:53:17,960
the solar panels on Pegasus become useless and need to be jettisoned.
572
00:53:18,127 --> 00:53:23,042
One has jammed and the crew will have to release it manually.
573
00:53:23,207 --> 00:53:27,678
- (T0M) I've got a visual on you, Nina. - It's so nice to stretch my legsI
574
00:53:27,847 --> 00:53:32,967
- I was starting to feel like a sardine. - We need to check for meteorite damage.
575
00:53:33,607 --> 00:53:36,679
(YVAN) Hey, it's dark out here.
576
00:53:37,967 --> 00:53:42,563
- Bloody tools! - (NINA) Let me help. It's probably the battery.
577
00:53:42,727 --> 00:53:44,524
Stand by.
578
00:53:45,967 --> 00:53:50,324
(YVAN) I've got some meteorite impact from our transit through the Asteroid Belt.
579
00:53:52,367 --> 00:53:56,076
- (NINA) This is the last retention pin. - Release.
580
00:54:03,567 --> 00:54:06,957
(NINA) I feel like we're pulling the wings off a butterfly.
581
00:54:07,127 --> 00:54:10,517
(YVAN) Dead weight. They've done their job.
582
00:54:18,527 --> 00:54:22,520
(ZO? We are 22 million miles from Jupiter. She's visible with the naked eye.
583
00:54:22,687 --> 00:54:26,475
You can see cloud bands, but her magnetic field is way bigger.
584
00:54:26,647 --> 00:54:30,799
Yvan, how big is Jupiter's magnetic field?
585
00:54:30,967 --> 00:54:36,325
It's the largest object in the solar system. Bigger than the sun. Stretches all the way to Saturn.
586
00:54:36,487 --> 00:54:38,478
Why is it so dangerous?
587
00:54:38,647 --> 00:54:42,606
Any charged particles that get trapped in a magnetic field like that
588
00:54:42,767 --> 00:54:44,758
get accelerated to lethal speeds.
589
00:54:45,487 --> 00:54:48,957
Someone wants to know, is it true you can hear Jupiter?
590
00:54:49,127 --> 00:54:51,357
Yeah, it gives out radio waves.
591
00:54:51,527 --> 00:54:54,917
(RHYTHMIC WH00SHING)
592
00:54:55,087 --> 00:54:56,918
Jupiter FM.
593
00:54:57,087 --> 00:54:59,078
Music while you cook.
594
00:54:59,247 --> 00:55:01,442
(WH00SHING)
595
00:55:01,607 --> 00:55:03,802
(V0LUME INCREASES)
596
00:55:06,647 --> 00:55:08,638
(J0HN PANTING)
597
00:55:10,167 --> 00:55:13,159
(BREATHLESS PANTING)
598
00:55:17,407 --> 00:55:22,322
The radiation isn't as strong as the sun's, but they'll be exposed a lot longer
599
00:55:22,487 --> 00:55:25,206
so they'll need their magnetic shield again.
600
00:55:25,367 --> 00:55:28,837
(INTERVIEWER) Could you expand on that? How dangerous is it?
601
00:55:29,007 --> 00:55:32,522
I'll feel a lot better when they're on their way to Saturn.
602
00:55:42,527 --> 00:55:46,361
(NARRATOR) Pegasus is approaching Jupiter at 80km per second.
603
00:55:46,527 --> 00:55:51,760
To begin the slowdown into orbit, she turns her disk to Jupiter and fires her main engines.
604
00:55:52,847 --> 00:55:57,045
To complete the brake, Pegasus will crash into Jupiter's upper atmosphere,
605
00:55:57,207 --> 00:55:59,641
using friction to slow down.
606
00:56:03,527 --> 00:56:05,518
(TOM) We have ignition.
607
00:56:10,087 --> 00:56:15,161
The G forces during this manoeuvre represent the greatest physical stress for the astronauts
608
00:56:15,327 --> 00:56:18,364
and formed the most critical part of their training.
609
00:56:18,527 --> 00:56:20,677
(J0HN) G suits to inflate.
610
00:56:20,847 --> 00:56:26,240
Slowing down to Jupiter orbit is the most stress we'll get in the whole six years.
611
00:56:27,287 --> 00:56:30,643
We've got a bet going for who passes out last.
612
00:56:30,807 --> 00:56:33,605
(HIGH-PITCHED WHIRRING)
613
00:56:44,007 --> 00:56:45,804
How you doing?
614
00:56:56,527 --> 00:57:00,122
(J0HN) Tom's been disqualified. He's taught himself this little trick.
615
00:57:00,287 --> 00:57:03,120
He can faint with his eyes open.
616
00:57:05,447 --> 00:57:08,041
It took us a while to work out how he took 15Gs.
617
00:57:10,687 --> 00:57:13,884
Pegasus, you're due to enter Jovian atmosphere in two minutes.
618
00:57:14,487 --> 00:57:18,685
Looking at a maximum of 8G. Good luck, guys.
619
00:57:22,327 --> 00:57:24,124
(TOM) 0.5G.
620
00:57:25,287 --> 00:57:26,640
1G.
621
00:57:28,887 --> 00:57:30,878
2G.
622
00:57:38,087 --> 00:57:42,444
(YVAN) Going into free-flow position. That's a continuing flow.
623
00:57:42,607 --> 00:57:44,757
- (C0UGHS) - Still rising.
624
00:57:45,727 --> 00:57:47,524
4G.
625
00:57:47,687 --> 00:57:50,759
Pressure rising.
626
00:57:56,407 --> 00:57:58,967
This isn't right!
627
00:58:01,127 --> 00:58:04,403
(TOM) 7G.
628
00:58:06,207 --> 00:58:08,562
8G.
629
00:58:10,007 --> 00:58:13,079
- 9GI - That's impossible!
630
00:58:15,727 --> 00:58:17,126
We're losing the shields.
59884
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