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What protects earth from asteriods?

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Anonymous

11y ago
Updated: 8/19/2019

The atmosphere. Because asteroids are travelling very fast - friction caused when they enter the atmosphere, causes them to heat up to the point that they literally start melting. The vast majority of asteroids burn up in the atmosphere. Only a tiny percentage are actually large enough to make it through and crash-land on the earth.

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Wiki User

11y ago

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