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Our Moon May Have Formed From Multiple Small Ones

A series of cosmic collisions may have spawned multiple moonlets that morphed into the one big moon we know today. Rather than one giant impact that knocked off part of early Earth and created the moon, a number of smaller collisions may have produced lots of mini-moons, Israeli scientists reported Monday And those mini-moons, over millions of years, may have clumped together to make one large one. Old theory revitalized The researchers conducted nearly 1,000 computer simulations...

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