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When the Moon turned inside out

The origin of the moon has long been a subject of debate and continuous studies. The prevailing theory, supported by analyses of rock samples collected by Apollo astronauts over half a century ago, suggests that the moon was born from the debris of a colossal impact between the young Earth and a Mars-sized planet, approximately 4.5 billion years ago. Molten rock eventually coalesced, cooled, and solidified to form the moon we know today.