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Mount Marilyn
Astronaut Jim Lovell named this triangular mountain after his wife during the Apollo 8 mission, when he and his crew became the first to orbit the Moon. It later served as a navigational landmark during the first Moon landing. When Apollo 11 astronauts Neil Armstrong and Buzz Aldrin spotted Mt. Marilyn from their lunar module window at a particular moment, they knew they were on course.
Image ID: M1142226401LR
Camera: NAC
Image width: 50 km (31 mi.)