Thursday, January 26, 2012

Two Impact Crater Peaks


This beautiful, unnamed crater is found within the Caloris impact basin, and formed partially atop another crater of similar size to its northwest. On the right-hand side of the image you can see the crater's central peak; at the upper left, you can see where the crater wall intersects what is left of the older crater's central peak.

Date acquired: December 24, 2011
Image Mission Elapsed Time (MET): 233221689
Image ID: 1177142
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Center Latitude: 36.6°
Center Longitude: 166.4° E
Resolution: 29 meters/pixel
Scale: Scene is approximately 30 km (19 miles) across
Incidence Angle: 36.6°
Emission Angle: 33.1°
Phase Angle: 69.7°

Photo credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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