High Plains Ring
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Aug. 18, 2006
18 August 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a ring marking the location of a nearly-filled, nearly-buried impact crater on the martian northern plains. Remnants of bright, seasonal frost occur in some polygonal cracks on the plain.
Location near: 62.9°N, 96.0°W
Image width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Northern Spring