Letronne

American  

[li-trohn] / lɪˈtroʊn /

noun

1. a walled plain in the third quadrant of the face of the moon: about 60 miles (100 km) in diameter.

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Example Sentences

Letronne found a date of 3430 B.C.; but the earlier date agrees better with the evidence derived from Egyptology.

From Astronomical Curiosities Facts and Fallacies by Gore, J. Ellard

If Letronne is observed under oblique illumination, the low mounds and ridges on the Mare outside impress one with the idea that they represent the remains of a once complete N. wall.

From The Moon A Full Description and Map of its Principal Physical Features by Elger, Thomas Gwyn

Letronne is a half-submerged ring, at the southern end of the Oceanus Procellarum, which recalls Fracastorius in the western lunar hemisphere.

From Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers by Serviss, Garrett Putman

On the W. of Billy and Hansteen is a wide inlet of the Oceanus Procellarum, bounded by the Letronne region on the W., and on the S. by lofty highlands.

From The Moon A Full Description and Map of its Principal Physical Features by Elger, Thomas Gwyn

Monsieur Letronne conjectures that he only imitated the plan, which is attributed to Periander, of having designed to cut through the isthmus of Corinth.

From Blackwood's Edinburgh Magazine — Volume 56, No. 346, August, 1844 by Various