Clifford Cummings headed a project investigating this body. In the 1990s, the Clementine mission studied this body.
Clifford Cummings headed a project investigating this body. In the 1990s, the Clementine mission studied this body. It was the subject of Project Ranger and it was the target of the first generation of Pioneer missions. Recently the LRO was launched by NASA to study it. Jim Lovell commanded a failed mission to reach it. For 10 points, name this satellite visited by Apollo 11.
Clifford Cummings headed a project investigating this body. In the 1990s, the Clementine mission studied this body.
{Moon} [or {Luna} ]