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The far side of the Moon, or ‘dark side of the moon’, is the hemisphere of the Moon that always away from . The far side’ terrain is rugged, with a of impact craters and relatively few flat maria. It has one of the craters in the Solar System, the Pole–Aitken basin.

About 18 percent of the far side is occasionally from Earth due to libration. The remaining 82 percent remained unobserved until 1959, when the Soviet ’s Luna 3 space probe photographed it. The Russian Academy of Sciences published the first atlas of the far side in 1960. In 1968, the Apollo 8 ’s astronauts were the first humans to view this region directly when they orbited the Moon. To date, no one has explored the far side of the Moon on the ground.


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