4 months, 2 weeks ago

Elon Musk has pledged to settle Mars. This book offers a reality check

Sign up for CNN’s Wonder Theory science newsletter. “Leaving a 2 warmer Earth for Mars would be like leaving a messy room so you can live in a toxic waste dump,” they wrote in the book’s introduction. Maybe in our lifetime, we’ll see people land on Mars, do some exploration and come home, that could happen, but I don’t think we’re going to have babies on Mars. I think we had assumed the 50 years of research we had gotten from astronauts in the space stations orbiting Earth had told us everything we needed to know about how humans respond in gravity regimes unlike Earth’s, and how humans respond to space radiation. Mars' thin atmosphere means humans would have scant protection from space radiation, biologist Kelly Weinersmith said.

CNN

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