Byrgius

[beer-gee-uhs]

noun

1. a crater in the third quadrant of the face of the moon: about 40 miles (64 km) in diameter.

Example Sentences

It was south of the Byrgius crater, not west of Legendre crater.

Read more on New York Times

Using images from an amateur astronomer, Christian Fröschlin, Mr. Cowart determined that the flash took place somewhere in the lunar highlands, south of Byrgius crater.

Read more on New York Times

The Kepler, Aristarchus, and Copernicus systems, though of much smaller extent, are very noteworthy from the crossing and apparent interference of the rays; while those near Byrgius, round Aristarchus, and the rays from Proclus, are equally remarkable.

Read more on Project Gutenberg

Byrgius A. A brilliant ray-centre, most of the rays trending eastward from a nimbus.

Read more on Project Gutenberg

BYRGIUS.—A very irregular enclosure, about 40 miles in diameter, between Cavendish and the E. limb, with a lofty and discontinuous border, rising at one point on the E. to a height of 7000 feet above the floor.

Read more on Project Gutenberg