First two-way laser ranging to a lunar orbiter: infrared observations from the Grasse station to LRO's retro-reflector array | Earth, Planets and Space | Full Text
Laser ranging retro reflector. Apollo 11 mission, first landing on the moon, july 1969, Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-A11-100188 | agefotostock