Firdousi is a relatively fresh impact crater approximately 96 kilometers (60 miles) in diameter. Its abundant secondary craters dominate the surroundings, and many have haloes of high-reflectance, relatively blue ejecta.
Date acquired: August 14, 2011
Image Mission Elapsed Time (MET): 221844487, 221844483, 221844479
Image ID: 632390, 632389, 632388
Instrument: Wide Angle Camera (WAC) of the Mercury Dual Imaging System (MDIS)
WAC filters: 9, 7, 6 (996, 748, 433 nanometers) in red, green, and blue
Center Latitude: 4.19°
Center Longitude: 65.30° E
Resolution: 204 meters/pixel
Scale: Firdousi is approximately 96 kilometers (60 miles) in diameter
Incidence Angle: 37.0°
Emission Angle: 14.6°
Phase Angle: 51.7°
Photo credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
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