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Basalt patch Ina
Image

NASA/GSFC/Arizona State University
Caption
NASA has selected Southwest Research Institute to lead the Dating an Irregular Mare Patch with a Lunar Explorer, or DIMPLE, payload team. The lunar lander/rover instrument suite will use a camera and radioisotope-based dating to determine the age and composition of this mysteriously young-looking patch of basalt known as Ina, shown here in Lunar Reconnaissance Orbiter image.