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Have any meteorite strikes penetrated the earth's crust?

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Other than the Theia Impact hypothesis, also known as the 'Giant Impact Hypothesis' between the Earth and another Mars-sized celestial body resulting in the formation of the Moon, I am not sure that the Earth's Crust has ever been breached. read more

Other than the Theia Impact hypothesis, also known as the ‘Giant Impact Hypothesis’ between the Earth and another Mars-sized celestial body resulting in the formation of the Moon, I am not sure that the Earth’s Crust has ever been breached. read more

1. Fusion crust. Meteorites that have fallen recently have a black, glassy or ashy crust on their surface. When a meteorite falls through the Earth's atmosphere a very thin layer on the outer surface melts. This thin crust is called a fusion crust. It is often black and looks like an eggshell coating the rock. read more