Tags: Spacecraft.
Luna 20 (Ye-8-5 series) was the second of three successful Soviet lunar sample return missions. It was flown as part of the Luna program also called Lunik 20 as a robotic competitor to the six successful Apollo lunar sample return missions.Luna 20 was placed in an intermediate Earth parking orbit and from this orbit was sent towards the Moon. It entered lunar orbit on February 18 1972.
