SpaceX’s Polaris Dawn mission, launching soon, will push civilian space exploration risks with untested spacesuits and spacewalks.
Chris Impey
Chris Impey
Chris Impey is the University Distinguished Professor of Astronomy at the University of Arizona. His books include, "Worlds Without End: Exoplanets, Habitability, and the Future of Humanity," "Beyond: Our Future in Space," and "How It Ends: From You to the Universe."