Dr. Neil deGrasse Tyson Explains why we may or may not send humans to Mars. https://www.facebook.com/ethicalexploration/videos/1018848630286158/?mibextid=9drbnH&s=yWDuG2&fs=e
Posts Tagged ‘humans to Mars’:
Dr. Neil deGrasse Tyson Explains why we may or may not send humans to Mars. https://www.facebook.com/ethicalexploration/videos/1018848630286158/?mibextid=9drbnH&s=yWDuG2&fs=e
