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View Diary: Remembering Fallen Heroes: A Tough Week for NASA (42 comments)

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  •  I don't think one can say that (0+ / 0-)

    the space environment is why launch and reentry are dangerous - it's the gravity of Earth that necessities such enormous energies and high velocities, nothing about the environment around it.  Even in terms of radiation issues, the biggest dangers come from crossing the Van Allen belts, not from direct exposure to solar flares or CMEs, so the most violent hazards lie in crossing the threshold from the environment that protects us into the more rarefied realm of space.  The rest are slow-death scenarios that give astronauts plenty of time to either figure something out or come to terms with their fate.  

    Pour yourself into the future.

    by Troubadour on Mon Jan 28, 2013 at 08:22:45 AM PST

    [ Parent ]

    •  I just don't think we should underestimate (1+ / 0-)
      Recommended by:
      Troubadour

      just how dangerous being in space actually is, just because getting to and from space is so much more dangerous. It's what drives a lot of these fanciful Columbia rescue scenarios and, by extension, the unwarranted anger that they weren't tried.

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