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Four Big Cosmology Secrets Gravitational Waves Could ­ncover

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Cosmology secrets

A new window on the universe.

Credit: Julian Stratenschulte/DPA/Corbis

On 11 February, the Laser Interferometer Gravitational-Wave observatory, or LIGO, announced it had spotted gravitational waves, the stretching and squeezing of space-time created by the movement of massive objects.

From New Scientist
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