... Tonight's Sky . ... Lunar scientists shed light on Moonт??s impact history . ... The team re-studied those ancient surfaces and measured the sizes of the impact craters using new data obtained from the Lunar Orbiter Laser Altimeter, an instrument on NASAт??s Lunar Reconnaissance Orbiter (LRO) currently orbiting around the Moon . т??This is an exciting time for lunar research with LRO and other spacecraft providing so much new data,т?? said Simone Marchi from NLSI. т??Collaborating with ...