Mare Orientale . ... Credit Copyright: NASA / GSFC / Arizona State Univ. Lunar Reconnaissance Orbiter Explanation: Shaped like a target ring bull's-eye, the Mare Orientale is one of the most striking large scale lunar features. ... Still, this mosaic of the multi-ring impact basin , the youngest of the large lunar basins shows off intriguing details ( full resolution mosaic ), based on Wide Angle Camera images from the Lunar Reconnaissance Orbiter. ... A service of: LHEA at NASA / GSFC . ...