Objects at greater than 90 degrees east or west are on the far side of the Moon, including Ranger 4, Lunar Orbiter 1, Lunar Orbiter 2, and Lunar Orbiter 3.
* Список искусственных объектов на Венере* Луна (космическая программа)* Луна* NASA — Lunar Orbiter* NASA — Surveyor* NASA — Apollo By The Numbers* Bernd Leitenbergers Website