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 has been named Olbers in honour of Vesta's discoverer. However, it does not appear in elevation maps as a fresh crater would. Its nature is unknown, possibly an old basaltic surface.