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Happy Face Crater Greets MGS at the Start of the Mapping
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"Happy Face" Crater Greets MGS at the Start of the Mapping

March 19, 2003
On the first day of the Mapping Phase of the MGS mission -- during the second week of March 1999 -- MOC was greeted with this view of "Happy Face Crater" (center right) smiling back at the 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.


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