Asteroid

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ScienceCasts: New Year's Asteroid Strike

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Key Facts To Know

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  1. Asteroid 2014 AA hit the Atlantic Ocean with the force of 500 tons of TNT. (0:13)

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  2. No meteorites could be recovered from the asteroid's explosion in the ocean. (2:20)

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  3. It's difficult to forecast asteroids before they hit. (3:47)

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About this Video

from Science@NASA

Visit http://science.nasa.gov/ for more. The New Year started off with a bang when a small asteroid hit Earth. Infrasound records indicate that the space rock exploded in the atmosphere over the Atlantic Ocean like 500 tons of TNT.