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'Happy Face' Crater
Date: 10 Mar 1999
Mars Global Surveyor was greeted with this view of 'Happy Face Crater' smiling back at its camera from its location 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 MOC's red and blue wide angle cameras. The bluish-white tone is caused by wintertime frost. Illumination is from the upper left.
For more information and Viking Orbiter views of "Happy Face Crater," see http://www.msss.com/education/happy_face/happy_face.html.
Image Credit: NASA
Credit: NASA Planetary Photojournal
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