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Scientists believe that about 4 billion years ago, during a period called the Late Heavy Bombardment, the moon took a severe beating, as an army of asteroids pelted its surface, carving out craters and opening deep fissures in its crust.
Sep 10, 2015
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Apr 18, 2019 · The new study finds asteroids as small as 1 kilometer (0.6 miles) in diameter can fracture lunar crust into meter-sized blocks down to depths of ...
Missing: crustal | Show results with:crustal
Nov 15, 2012 · These floor fractures are the result of a cold shallow crust containing the crater overriding warmer, less viscous deeper material.
lunar crustal fractures from www.lroc.asu.edu
Oct 12, 2010 · The wall of Slipher crater is deformed by one of many scarps found in the lunar highlands, which are thought to form as the Moon shrinks due to ...
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lunar crustal fractures from physicsworld.com
Dec 6, 2012 · The data have also shown that the lunar crust is less dense and more fractured by massive impacts than had previously been thought. The mission ...
lunar crustal fractures from www.lroc.asu.edu
Aug 22, 2013 · Lunar geologists propose two major formation mechanisms for crater floor fractures: intrusive magmatic activity and viscous relaxation.
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Compression data of lunar igneous rocks show that the lithostatic pressures encountered in the crust and upper mantle are insufficient to close all fractures.
Floor-fractured craters (FFCs) are a class of 170 lunar craters characterized by their anomalously shallow, fracture-covered floors. First described in detail ...
lunar crustal fractures from www.reuters.com
Dec 5, 2012 · The discovery that the moon's crust is deeply fractured came from a pair of small probes that comprise NASA's Gravity Recovery and Interior ...
Missing: crustal | Show results with:crustal
5) and have lower magma overpressures which would cause the overlying thicker crust to flex, but not fracture into piston-like uplift. Thus this study supports ...