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All About Astronomy
|Our Solar System||Stars||Glossary||Printables, Worksheets, and Activities|
|The Sun||The Planets||The Moon||Asteroids||Kuiper Belt||Comets||Meteors||Astronomers|
|Inside the Moon||Craters||Phases of the Moon||Why Do We See Only One Side of the Moon?||Tides||Activities,
Impact Craters on the Moon
The lunar crater Aristarchus ( on the NW edge of the Oceanus Procellarum). This huge, circular crater is 25 miles (40 km) in diameter and 2.2 miles (3.6 km) deep (from rim to floor). There is a lot of ejecta (material thrown from the crater at impact) surrounding the crater.
Ptolemaeus is the large (diameter=164 km ) flat-floored crater at the top. Alphonsus (diameter = 108 km) is at the lower left and Albategnius crater (diameter = 114 km) is at lower right.
Euler crater, a complex crater with a diameter of 17 miles (28 km) and a depth of 1.5 miles (2.5 km).
Moltke crater, a simple crater with a diameter of 4.3 miles (7 km).
The lunar basin Schrodinger is 200 miles (320 km) in diameter. Schrodinger also has an inner ring which is 92 miles (150 km) in diameter and about 75 percent complete. Schrodinger is one of the youngest impact basins on the Moon.
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