History of the Universe

History of the Universe eBook. 398 pages, 300 illustrations only $2.99

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Earth Origin

As the Earth formed out of rocky snowballs it grew hot and probably melted. One theory is that early in its history a large object hit the Earth, which threw out a shower of rocks. These collected together to form the Moon. If it is true this would certainly have made the Earth melt.

Image of object colliding with young Earth copyright Joe Tucciarone

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History of the Universe eBook
History of the Universe eBook
Only $2.99

Written by Wyken Seagrave
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