extreme environments

Broadcast 2840 Dr. Rachel Armstrong

Guest:  Dr. Rachel Armstrong;  Topics: Interstellar human spaceflight and Rachel's new book, "Star Ark: A Living, Self-Sustaining Spaceship."  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

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