The Moon is shrinking and getting wrinkles

The Moon is wrinkling like a drying apple. As its interior slowly cools, the whole thing contracts, and the crust buckles and cracks under the pressure. Smithsonian scientists have now mapped the extent, finding 1,114 previously unknown ridges spread across the Moon's dark volcanic plains — more than doubling the known count to 2,634, according to a study published in The Planetary Science Journal. — Read the rest

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