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Astronomers Take a New Kind of Pulse From the Sky

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Owens Valley Long Wavelength Array

A nighttime shot shows some of the antennas of the Owens Valley Long Wavelength Array in California, with the center of our galaxy in the background.

Credit: Gregg Hallinan

Every night, our sky beats with the pulses of radio light waves, most of which go unseen.

From Jet Propulsion Laboratory/NASA
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