Earth’s Moon was born out of destruction.
Several theories about our Moon’s formation vie for dominance, but almost all share that point in common: near the time of the solar system’s formation, about 4.5 billion years ago, something ― perhaps a single object the size of Mars, perhaps a series of objects ― crashed into the young Earth and flung enough molten and vaporized debris into space to create the Moon.
Earth’s Moon is thought to have formed in a tremendous collision. A massive object ― named Theia after the mythological Greek Titan who was the mother of Selene, goddess of the Moon ― smashed into Earth, flinging material into space that became the Moon.
NASA
The early solar system would have been a chaotic, terrifying place. Debris left over from the formation of the Sun coalesced into a disk around the star, creating clumps that ranged in size from dust flecks to minor planets. Gravity drew these objects together, causing them to crash into each other ― violent smashups that could end in obliteration or new, larger objects. Those mashed-together objects make up the planets, moons, asteroids and other solar system objects we know today.
continue Moon Formation – NASA Science
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