A reminder from 35 years ago that we need to ratchet up space exploration
About 35 years ago, astrophysicist Carl Sagan wrote the best-selling book of popular science, Cosmos, to accompany his enormously popular public broadcast series of the same name. Cosmos is still in book stores, which explains why my son gave it to me a few months back for Hanukkah. Sagan surveyed a broad expanse of science […]
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