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  • BBC One
  • Documentary

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1x1
Star Stuff
Episode overview
In Star Stuff we learn that all life on Earth, including humans, comes from outer space - every single molecule of our bodies originated from an unimaginably large hydrogen cloud created .. show full overview
1x2
Staying Alive
Episode overview
Staying Alive shows just how dangerous the Universe continues to be. Life on Earth has been nearly eradicated on twenty occasions by massive asteroids, most dramatically causing the extinction of dinosaurs. Another cataclysm is due any time now.
1x3
Black Holes
Episode overview
Black Holes are the Universe's ultimate monsters, sucking everything into their super-dense centres. There are an estimated ten million of these cosmic killers in our galaxy and once .. show full overview
1x4
Are We Alone?
Episode overview
Are We Alone? looks at the possibility of extraterrestrial life and visits SETI, a scientific project that for the past 40 years has been searching for information beamed from intelligent life in other solar systems.
1x5
New Worlds
Episode overview
Even if we avoid destruction by asteroids, we face eventual melt-down, as our Sun is getting progressively hotter. New Worlds looks at where we could go to escape this fate and talks to .. show full overview
1x6
Boldly Go
Episode overview
If humans are ever to reach deep space, there will need to be some revolutionary changes in transport. Boldly Go demonstrates how ion propulsion and solar sails may become effective .. show full overview

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