@CivGame
Making history 🌎
calendar_today08-05-2009 17:24:07
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Carl Sagan, the Great Scientist, gets his Space Race bonus partly from discovering the surface temperature of which planet? 🪐
Did you say...Venus?Sagan discovered the high surface temperature of Venus at 867°F, or 464°CHe also helped demonstrate the production of amino acids from common chemicals by radiation, thus proving extraterrestrial life possible.