mascon

nounA2

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Danh từ

noun

Plural noun:

mascons

1.
A region within a solid astronomical body that is of higher density than the surrounding material.
2.
A lunar mare that has a greater density of rock than the surrounding area.
3.
(astronomy) mass concentration

Nguồn gốc từ

mass concentration in 1960s by scientists Paul Muller and William Sjogren.