#planets notes

[er-cryptid]

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[er-cryptid]

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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