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Earthquake rocks NASA's world

The earthquake in Chile may have shortened the Earth's days. A NASA researcher estimates that each day will be 1.26 microseconds shorter. He also thinks the temblor bumped the earth from its axis just a bit. In part, that's because of its close location to the equator. Richard Gross, NASA geophysicist explains.

Tags: NASA , newsstand , earthquake , Richard Gross , Jet Propulsion Laboratory

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