#halleyscomet
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Why We Should Go to Mars
LectureLive EventAmerican Astronomical Society / Library of Congress (Sagan Archive)29 October 1988Austin, TX — American Astronomical Society meetingCarl SaganSpeaker#unitedstates#war#nasa
Sagan's lecture at the American Astronomical Society Austin meeting, arguing a joint US-Soviet Mars mission could help avert global conflict; touches on H.G. Wells, Percival Lowell, and science fiction's framing of Mars.
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Comets and the Origin of Life
LectureLive EventIMSA / James R. Thompson Leadership Lectures/ Inaugural James R. Thompson Leadership Lecture2 October 1991Aurora, IL — Illinois Mathematics and Science AcademyCarl SaganSpeaker#evolution#education#darwin
The inaugural Thompson Leadership Lecture at IMSA — Sagan on comets and the origin of life, calling the academy 'a gift from the people of Illinois to the human future.'
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