How is the body affected by space travelSpace travel can change the way atoms are.
Radiation can speed up alzheimer and cancer.
Radiation destroys the cells.
What is life like on marsPeople can died from mars if people don't wear the space suit
If people use the space suit you can walk on mars and fly a little
There is and ice on Mars. About 2% of the planet is water, so it is a very dry environment. This water leads scientists to believe that life may exist on Mars.
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