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Old June 25 2009, 07:50 AM   #18
FemurBone
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Location: Up Yours
Re: manned Mission to Mars discussion

Bad Bishop wrote: View Post
I have watched several episodes of Mars Rising on the Science Channel. The series makes it clear that a voyage to Mars would be too dangerous to the crew, given the current state of technology. Maybe the spacecraft could provide a kind of artificial gravity (by rotating part or all of the ship). Still, there would no way to provide protection for the crew against cosmic rays. Imagine all your astronauts returning home from Mars with the bones of 80-year olds plus cancer throughout their bodies.
Christopher Columbus sailing across the Atlantic Ocean in a wooden sailing ship with no radio, electricity or GPS was far more dangerous than a manned mission to Mars would be.

As far as the effects of weightlessness on bones is concerned, Russian Cosmonaut Valeri Polyakov spent 14 months aboard the Mir space station and his bones are fine.

and I also believe this cosmic ray buisness is over exagerated.
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