For the crater, see Aristillus (crater). Aristillus is a prominent lunar impact crater that lies in the lunar mare at the southeast of Mare Imbrium. ...
Aristillus (fl. ca. 280 BC) was a Greekastronomer who created the first star catalogue in approximately 300 BC, with the help of Timocharis. He worked in the Great Library of Alexandria. Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 330s BC 320s BC 310s BC 300s BC 290s BC - 280s BC - 270s BC 260s BC 250s BC 240s BC 230s BC 285 BC 284 BC 283 BC 282 BC 281 BC 280 BC 279 BC 278 BC 277... In ancient Greece and other early civilizations, astronomy consisted largely of astrometry, measuring positions of stars and planets in the sky. ... In astronomy, many stars are referred to simply by catalogue numbers. ... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 350s BC 340s BC 330s BC 320s BC 310s BC - 300s BC - 290s BC 280s BC 270s BC 260s BC 250s BC Years: 305 BC 304 BC 303 BC 302 BC 301 BC - 300 BC - 299 BC 298 BC... Timocharis of Alexandria (circa 320 BC - 260 BC) was a Greek astronomer and philosopher. ... The Royal Library of Alexandria was once the largest in the world. ...
The lunar craterAristillus is named after him. Wikipedia does not yet have an article with this exact name. ... Aristillus is a prominent lunar impact crater that lies in the lunar mare at the southeast of Mare Imbrium. ...
Directly to the south is the smaller Autolycus crater, while to the southwest is the large Archimedes crater.
The rim of Aristillus crater has a wide, irregular outer rampart of ejecta that is relatively easy to discern against the smooth surface of the surrounding mare.
In the northern outer ramparts of Aristillus is a ghost-crater remnant.
It is formed by the area enclosed by the prominent craters Archimedes to the southwest, Autolycus to the southeast, and Aristillus to the northeast.
The most distinctive features on the bay are the complex outer ramparts of ejecta from Aristillus and Autolycus craters, and the small satellite craters 'Archimedes C' and 'Archimedes D'.
The albedo of the surface is brightened by overlapping ray material from Autolycus and Aristillus.
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