Sputnik Planum

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Translingual

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Commons:Category
Commons:Category
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Etymology

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From being originally believed to be an elevated plain (a planum; from Latin planum). named after the first artificial satellite, Sputnik 1. From Russian спу́тник (spútnik).

Proper noun

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Sputnik Planum

  1. Former name of Sputnik Planitia.: A plain in Tombaugh Regio, Pluto, Solar System