криптомария

криптомария

Buried mare basalt lavas on the Moon. Many light plains in the lunar highlands have impact craters surrounded by dark piles of ejecta, nicknamed "dark-haloed craters. " The dark-haloed craters formed when mare basalt lava flows were covered with ejecta from large impact craters and basins, and then small craters punctured through the ejecta to toss out mare basalt.

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Del af tale: noun
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Branche/domæne: Astronomy
Category: Planetary science
Company: PSRD
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