Aorounga
Location: Chad
Latitude: N19° 6'
Longitude: E19° 15'
Age (Ma): < 345
Diameter (km): 12.6
Exposed at surface: yes
(Left) NASA Space Shuttle Image :
STS38-77-005
(Right) Spaceborne Imageing
Radar-C/X-Band Sythetic Aperture Radar (SIR-C/X-SAR)
Image of Aorounga Impact Crater (NASA/JPL).
The dark streaks are deposits of windblown
sand.
The dark band in the upper right is
being investiagted as a possible second crater.
Color variations are primarily due to the diverse radar reflection
(roughness) characteristics
of different
rock types.