A dark albedo feature about across has been named Olbers in honour of Vesta's discoverer, but it does not appear in elevation maps as a fresh crater would, and its nature is presently unknown, perhaps an old basaltic surface.
A dark albedo feature was named Olbers. It is in honour of Vesta's discoverer. The crater doesn't show on elevation maps. Its nature is presently unknown. Some suggest it was an old basaltic surface.