Lamont (lunar crater)

Lamont (lunar crater)

lunar crater data
latitude=5.0
N_or_S=N
longitude=23.2
E_or_W=E
diameter=75 km
depth="Unknown"
colong=337
eponym=Johann von Lamont

Lamont is a low ridge in the surface of Mare Tranquillitatis that is most likely an impact feature. It is located to the southeast of Arago crater.

Lamont has the shape of two roughly concentric but incomplete rings with an inner diameter of 60 km and an outer diameter of 120 km. (The official diameter is 75 km.) Radial ridges radiate away from the center of Lamont, except in the east and west quadrants. The ridge system is only a few hundred meters in height, with a width that averages 5 km but is thicker to the southeast. This feature is only readily visible at low angles of illumination, when shadows highlight the terrain features.

This feature is associated with a mass concentration (mascon); a sub-surface region of higher-density material.

References

* cite conference
author=Dvorak, J.; Phillips, R. J.
title = Gravity anomaly and structure associated with the Lamont region of the moon
booktitle = Proceedings of the 10th Lunar and Planetary Science Conference
pages =2265-2275 | publisher = Pergamon Press, Inc.
date = July 28-August 1, 1975 | location = Houston, Texas
url = http://adsabs.harvard.edu/abs/1979LPSC...10.2265D
accessdate = 2007-08-06

External links

* cite web
last = Wood | first = Chuck | date = December 2, 2007
url = http://www.lpod.org/?m=20071202
title = A Lost Gem
publisher = Lunar Photo of the Day
accessdate = 2007-12-03


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