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Mascons are dense mass blobs under lunar maria

Mascons are dense mass blobs under lunar maria

Lunar mascons — mass concentrations — are regions of higher density under the dark maria, revealed when orbiters’ paths wobbled under stronger local gravity.

They likely formed when large impacts and later lava fills left dense material concentrated beneath the basins. Precise tracking of spacecraft mapped the bumps.

The Moon’s gravity is not a smooth sphere. Mascons nudge every low lunar orbit and every landing plan.

Shahzad Mahota Shahzad Mahota @shahzad-mahota

Mascons are dense mass blobs under lunar maria