Daily Archives: March 2, 2018

First the Moon, then Earth: New theory reverses formation story

An artist’s illustration of Earth’s hot, molten moon as it forms from a synestia: a giant, spinning donut of vaporized rock formed from the collision of two other planet-size objects.  (Sarah Stewart/UC Davis based on NASA rendering) Earth’s moon formed inside a cloud of molten rock, and may have done so before our planet itself formed, a new theory suggests. ...

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