Bodies
8 bodies
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Saturn
The gas giant whose rings would span most of the Earth-Moon distance.
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Jupiter
More massive than every other planet combined, with a storm older than any nation.
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Neptune
The windiest world in the solar system, found by arithmetic before telescopes.
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Mercury
The smallest planet: airless, cratered, and swinging 600 degrees between noon and midnight.
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Mars
The cold desert next door, and the most-visited planet beyond Earth.
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Uranus
The sideways planet: its axis lies nearly in its orbital plane.
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Venus
Earth's twin in size only — a runaway greenhouse under acid clouds.
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Earth
The only world known to host life, and the only one with liquid water at the surface.