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Large midair explosion

Part of Arthur Ross Hall of Meteorites.

D.2.4.6. Large midair destruction.jpg

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Asteroids the size of a 10-story building, 30 meters (100 feet) across, are about the smallest that can cause significant damage. Typically, these asteroids explode several miles above Earth's surface in a large fireball. The great majority of them would blow apart harmlessly over the ocean or an unpopulated area.

Because these asteroids are so small, we hav