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Asteroids, meteorites or comets are impactors that form impact craters on the Earth and other bodies throughout the solar system.

Obviously, the Earth for instance, has to cross an impactor's orbit or vice versa. The size of the impactor hitting the Earth depends on the type of crater that can occur and also the other factors-

· the velocity of the impactor

· composition of the impactor

· composition of the target rock

· the strength and porosity of the impactor

· angle of impact

· gravity of the target planet

For more on craters try-

www.weirdwarp.com

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15y ago

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