Prokofiev, named in August 2012 for the Russian composer, is the largest crater in Mercury's north polar region to host radar-bright material. MESSENGER has found evidence that within the cold, dark, permanently shadowed regions of Prokofiev, water ice is exposed on the surface.
Date acquired: January 07, 2013
Image Mission Elapsed Time (MET): 266090610
Image ID: 3288616
Instrument: Wide Angle Camera (WAC) of the Mercury Dual Imaging System (MDIS)
WAC filter: 2 (700 nanometers)
Center Latitude: 84.90°
Center Longitude: 68.75° E
Resolution: 79 meters/pixel
Scale: Prokofiev has a diameter of 112 kilometers (70 miles).
Incidence Angle: 84.9°
Emission Angle: 6.1°
Phase Angle: 78.8°
Photo credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
Posts
No comments:
Post a Comment