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How long can humans survive without gravity?

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Uploaded by on Oct 25, 2007

Will future generations rely on long-term space travel for survival? Could the human body survive long periods in space?

Taken from the documentary: "FirstScience Presents: Starman" available at FirstScience.tv

Download in full at: http://firstscience.tv/starman.htm

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  • norm faggard

  • So basically, we don't gain muscle in space, because there is no gravity pushing us forward? Does this mean species on a planet with more gravity would be stronger, and larger than us?

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  • The video doesn't answer the question in the title.

  • @modboy02 the penis is not a muscle, moron..

  • @JustAManInAMask Did you not watch dragon ball Z?

  • @JustAManInAMask but how does it explain dinosuars they were HUGE and some other species like sharks to giant crocs have shrunk would that mean earths gravity is getting weaker? lol

  • that means that a planet with more gravity and ppl living there they would have a big penis

  • @JustAManInAMask LOGYK

  • What about when you press your two hands together real hard, that is and exercise. and you can fit into a small space and push with both your hands and feet on an immovable object.

  • @JustAManInAMask

    Yes except for, they may not be larger.

  • I need mother fucking gravity to make me taller

  • stupid jerks.. why cant you juz finish the whole video.. cocksuckers..

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