Bettinus

American  

[bet-n-uhs] / ˈbɛt n əs /

noun

1. a crater in the third quadrant of the face of the moon: about 60 miles (96 km) in diameter.

---

Example Sentences

A similar instrument from the work of Bettinus is given on page 241, the distance of a ship being found by constructing an isosceles triangle.

From Project Gutenberg

BETTINUS.—Another ring-plain of the same type and size, some distance S. of the last, with a massive border, terraced within, and rising on the W. more than 13,000 feet above the floor, on which stands a grand central mountain, whose brilliant summit is in sunlight a long time before a ray reaches any part of the deep interior.

From Project Gutenberg

KIRCHER.—A ring-plain, about 45 miles in diameter, S. of Bettinus, remarkable also for its very lofty rampart, which on the S. attains the tremendous height of nearly 18,000 feet above the floor, which appears to be devoid of detail.

From Project Gutenberg