Posts Tagged ‘collision’

How a continent collision built the Appalachian mountains

The process that built the Appalachian Mountains 300 million years ago is similar to the […]

The post How a continent collision built the Appalachian mountains appeared first on Futurity.

Another moon origin theory: Epic crash

From Belinda Smith at Cosmos Magazine: Around 4.5 billion years ago, an object slammed into Earth vaporising most of the planet into a scorching cloud from which the moon was born. Geochemists in the US – Kun Wang from Washington University in St Louis and Stein Jacobsen at Harvard – examined minuscule amounts of potassium […]

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