Overview

mascon


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A region of a planetary body that is either made of, or underlain by, denser-than-average material, as evidenced by an increased gravitational pull above it. The word is a contraction of mass concentration. Mascons first revealed their presence by the effects they had on the motion of spacecraft orbiting the Moon; they lie beneath many of the major lunar mare basins. Mars also has mascons associated with its impact basins.

Subjects: Earth Sciences and Geography — Astronomy and Astrophysics.


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