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Mare Imbrium Basin is a massive, ancient impact basin located on the Moon’s nearside. It represents one of the largest lunar maria, formed by a colossal collision event approximately 3.85 billion years ago. This vast expanse of basaltic lava flows makes it a significant area for scientific study reg...
The Crisium Basin is an ancient impact basin on the Moon, notable for hosting Mare Crisium, which was famously explored by the Soviet Luna 24 sample return mission in 1976.
The Serenitatis Basin is a large impact basin on the Moon, notable for hosting the Apollo 17 mission in 1972, which explored its southwestern edge at the Taurus-Littrow valley.
The Nectaris Basin is an ancient lunar impact basin, notable for defining the beginning of the Nectarian geological period roughly 3.92 billion years ago and later hosting Mare Nectaris.
Mare Humorum is an ancient impact basin on the Moon, notable for its well-defined ring structure and its surface features formed by mare basalts that date back roughly 3.8 billion years ago.
