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Speed Demon Creates a Shock
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Speed Demon Creates a Shock

March 16, 2011
NASA's Wide-field Infrared Survey Explorer, or WISE, captured this image of the star Alpha Camelopardalis, or Alpha Cam, in astronomer-speak, speeding through the sky like a motorcyclist zipping through rush-hour traffic. The big red arc is a bow shock, similar to the wake in front of the bow of a ship in water.


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