Answer: South Pole-Aitken Basin
Notes: The South Pole-Aitken Basin is the largest impact crater on the Moon, measuring approximately 2,500 kilometers in diameter. Formed early in the Moon's history, it is believed to be over 4 billion years old. The Moon's surface is marked by numerous craters due to impacts and volcanic activity, with the last known lava flow occurring around 100 million years ago. The International Astronomical Union oversees the naming of lunar features, ensuring a systematic approach to nomenclature.
