Galle (Martian crater)
Crater on Mars, also known as the "happy face crater" / From Wikipedia, the free encyclopedia
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Not to be confused with Gale (Martian crater).
This article is about the crater on Mars. For the lunar crater, see Galle (lunar crater).
Galle is a crater on Mars. It is located on the eastern rim of the huge impact basin Argyre Planitia in Argyre quadrangle. It is named after the German astronomer Johann Gottfried Galle.[1] Galle is often known as the "happy face crater" because pareidolia causes a curved mountain range in the southern part of the crater and two smaller mountain clusters further north to appear to be a smiley face. The formation was first photographed by Viking Orbiter 1.
Quick Facts Planet, Coordinates ...
Planet | Mars |
---|---|
Coordinates | 51.2°S 30.9°W / -51.2; -30.9 |
Quadrangle | Argyre |
Diameter | 230.0 km |
Eponym | Johann Gottfried Galle |
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A second "happy face crater", smaller than Galle and located at 45.1°S, 55.0°W in Nereidum Montes, was discovered by the Mars Reconnaissance Orbiter on January 28, 2008.[2]