The life expectancy of people going to Mars may be decreased by the higher level of radiation that they receive.
Buzz AldrinThe decision to go to the moon is now appreciated and associated with President Kennedy's speech, but somebody else had told him it was a good idea. It turned out to be a good commitment, but it was a unique situation.
Buzz AldrinI have no doubt that humans will go to Mars. And I feel that America has led so many things in space - we have invested so much, and we have a lot to gain - that America could and should be the nation that should lead the settlement of Mars.
Buzz Aldrin