Friday, March 9, 2012

Southern Anonymity


This scene captures an area of Mercury's southern hemisphere where none of the craters have yet had names approved by the International Astronomical Union. A variety of terrain types are found in this region: rugged heavily cratered older surfaces, smooth plains on crater floors, and younger bright-rayed craters.

Date acquired: September 20, 2011
Image Mission Elapsed Time (MET): 225001789
Image ID: 783910
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Center Latitude: -55.50°
Center Longitude: 16.58° E
Resolution: 361 meters/pixel
Scale: The edges of this image are about 360 km (220 mi.) long
Incidence Angle: 57.9°
Emission Angle: 1.3°
Phase Angle: 58.9°

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

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