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.

From 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.

From New York Times

The border is broken on the E. by a crater, and on the W. by the well-known crater Byrgius A, from which a number of bright streaks radiate, mostly towards the E. One on the W. extends to Cavendish, and another to Mersenius, traversing the ring-plain Cavendish C. North-east of Byrgius there is a mountain arm which includes a peak 13,000 feet in height.

From Project Gutenberg

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

From 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.

From Project Gutenberg