For the crater on the moon, see Galle (lunar crater).

Galle is a crater on Mars. It is located on the eastern rim of the huge impact basin Argyre Planitia. It is named after the astronomer Johann Gottfried Galle. Galle is a small lunar crater on the Mare Frigoris, to the north-northeast of the prominent Aristoteles crater. ... Look up crater in Wiktionary, the free dictionary. ... Note: This article contains special characters. ... This article is about impact craters. ... Argyre Planitia is a plain located in the Argyre impact basin in the southern highlands of Mars between -35 and -61 deg S and 27 and 62 deg W. The basin is approximately 1120 miles (1800 kilometers) wide, the second-largest impact basin on Mars after Hellas Planitia, and drops... An astronomer or astrophysicist is a person whose area of interest is astronomy or astrophysics. ... Johann Gottfried Galle (June 9, 1812 – July 10, 1910) was a German astronomer at the Berlin Observatory who, with help from Urbain Le Verrier, sighted Neptune on September 23, 1846. ...

Galle is often known as the 'happy face crater' because the illusion of a smiley is created by a semicircular mountain range and two smaller craters within the main crater. The formation was first photographed by Viking Orbiter 1. The smiley has gone through many incarnations over the years, but it consistently retains the same features. ... NASAs Viking program consisted of two unmanned space missions to Mars, Viking 1 and Viking 2. ...

See also

Galle Crater in Google Mars

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