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Friday, 15 July 2011

The origin of the Moon

The Moon in November, on winter night.
Video by Victor Lupu
Optics: Celestron C8-Newtonian telescope, 20mm plossl
Mount: CG5 (EQ5)
Device: Sony CX105
Filter: No
Date: 18/11/2010
Location: Baia Mare, Romania
Processing: 10 Sony Vegas
Perhaps the biggest mystery of the Moon is its origin. Currently, the most plausible theory is that a great collision occurred about 4.5 billion years ago between Earth and a Mars-sized planet that had a path through our planet and destroyed our young Earth.The collision then formed a ring around Earth's orbit, which eventually condensed into a molten Moon.
Other favorite ideas that are no longer sustainable is the theory of fission, which provides that the Moon was detached from Earth long ago, probably from the region that is now the Pacific Basin.But the capture theory assumes the opposite: The Moon is an object caught by the Earth's gravity.


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