Sputnik Planum
Appearance
Translingual
[edit]Etymology
[edit]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
[edit]- Former name of Sputnik Planitia.: A plain in Tombaugh Regio, Pluto, Solar System