Sosigenes is a lunar impact crater on the west edge of Mare Tranquillitatis. Its diameter is 17 km. This formation was named after ancient Greek astronomer Sosigenes of Alexandria. It lies to the east of Julius Caesar, a large walled plain. This impact dates to the Imbrian epoch of lunar geological history. The crater rim has a high albedo, making it relatively bright. It has a small central rise at the midpoint of the floor. To the east on the mare is a formation of parallel rilles designated the Rimae Sosigenes. These follow a course to the north, and have a length of about 150 kilometers. The small, bowl-shaped crater Sosignes A lies across one of these rilles.
Satellite craters By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Sosigenes.
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at The Moon Wiki Rimae Sosigenes at The Moon Wiki - on its rille LTO-42D4 Sulpicius Gallus — L&PI topographic map Is the Moons' Fault - the rille Rimae Sosigenes not mentioned in that article Wood, Chuck (September 23, 2004). "Lunar Crater Types". Lunar Photo of the Day. Archived from the original on 2016-03-10. Retrieved 2017-10-06. - one of the craters depicts Sosigenes Wood, Chuck (April 26, 2006). "Dead Romans". Lunar Photo of the Day. Archived from the original on June 14, 2011. Retrieved 2006-07-12.






