1959년부터 1976년 사이에 발사된 소련의 무인 달 탐사선 시리즈로, 달에 최초로 경착륙 및 연착륙을 성공시켰다.
A series of unmanned Soviet spacecraft launched between 1959 and 1976, notable for achieving the first hard and soft landings on the Moon.
예문:
"The Luna program was instrumental in the early stages of the Soviet space race."
"Luna 2 was the first human-made object to reach the surface of the Moon in 1959."
"The success of the Luna missions provided valuable data for future manned spaceflights."