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Ring Things

Sept. 9, 2006
This image from NASA's Mars Global Surveyor shows a suite of rings on the martian northern plains. Each ring marks the location of a filled and buried (or, in some cases, mostly-filled and nearly-buried) impact crater.

9 September 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a suite of rings on the martian northern plains. Each ring marks the location of a filled and buried (or, in some cases, mostly-filled and nearly-buried) impact crater. The dark spots on some of the rings are boulders -- or clusters of smaller rocks-associated with the buried craters.

Location near 68.7°N, 288.6°W
Image width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Northern Summer

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