Sep 16, 2020
Mars
-- fourth planet from the sun
-- 1.52 AU from the sun
-- named after the god of war
-- first spacecraft to visit Mars was Mariner 4 in 1965
-- Mars 2 was the first spacecraft to land on Mars
-- orbit is significantly elliptical
-- average temperature is -55 C or -67 F
-- temperature range is -133 C to 27 C, or -207 F to 80 F
-- Olympus Mons = highest mountain in the solar system
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