Earth’s perilous journey through the spiral Milky Way could shape the planet’s geology

Earth’s journey by means of the Milky Approach might have had a profound impression on the geology of our planet. New analysis signifies that each 200 million years, as Earth passes by means of the spiral arms of its galaxy, the planet is struck by high-energy comets, and this bombardment can thicken Earth’s continental crust.

The workforce behind the brand new findings imagine the dense gasoline clouds within the spiral arms work together with comets on the aspect of the photo voltaic systemsending them dashing to Earth.

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