What Made the Moon? New Ideas Try to Rescue a Troubled Theory
Textbooks say that the moon was formed after a Mars-size mass smashed the young Earth. But new evidence has cast doubt on that story, leaving researchers to dream up new ways to get a giant rock into orbit.
Fecha: August 6, 2017 at 10:33AM
via Digg Space: http://ift.tt/2wwV0ri
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