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The problem of the Moon's origin has perplexed astronomers for a great many years. All of the numerous theories proposed have been found to have shortcomings. —. It is then supposed that the debris from the collision went into orbit around the Earth and formed the Moon. This is called "the giant impact theory".
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To solve the problem, further explorations of the Moon's surface have to be carried out |
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Some astronomers in the past believed that the Moon had simply been thrown off from a rapidly rotating Earth |
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In the nineteenth century, it was proposed that the Earth and the Moon had been born together from the same material surrounding the youthful Sun |
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According to some astronomers, the Moon was once a completely independent body, but was captured by the Earth and is now a satellite of Earth |
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According to one theory, the Moon was created following a collision between the Earth and an unknown planetary body perhaps the size of Mars |