Mars: Happy Face Crater

by: Nasa/JPL/MSSS/Novapix
Reference: a-mar06-00022
Date: 2006-10-11

Happy Face Crater (center right) is located on the east side of Argyre Planitia. This crater is officially known as Galle Crater, and it is about 215 kilometers (134 miles) across. The picture was taken by the Mars Global Surveyor spacecraft in march 1999. The bluish-white tone is caused by wintertime frost. Illumination is from the upper left.

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