Eddie Semones is a space flight radiation health officer for NASA. He says a trip to Mars would require higher speed and protective equipment elements. But, he says the protection requires materials too heavy for a successful launch.
And that’s As It Is for today. Thanks for joining us.
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2013-11-25
2013-11-25
2013-11-25
2013-11-25
2013-11-25
2013-11-25