Ptolemaeus (lunar crater)

Ptolemaeus
Ptolemaeus from Apollo 16. NASA photo.
Coordinates9°12′S 1°48′W / 9.2°S 1.8°W / -9.2; -1.8
Diameter154 km
Depth2.4 km
Colongitude3° at sunrise
EponymClaudius Ptolemaeus

Ptolemaeus is an ancient lunar impact crater close to the center of the near side, named for Claudius Ptolemy, the Greco-Roman writer, mathematician, astronomer, geographer and astrologer. It measures approximately 154 kilometers in diameter.

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