Space Travel Comes With Risk − And Spacex’s Polaris Dawn Mission Will Push The Envelope Further Than Any Private Mission Has Before
Spacewalks are among the more dangerous activities associated with human spaceflight. Ignatiev/E+ via Getty Images Chris Impey, University of Arizona Space is an unnatural environment for humans. We can’t survive unprotected in a pure vacuum for more than two minutes. Getting to space involves being strapped to a barely contained chemical explosion. Since 1961, fewer […]
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