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Beyond Spacetime: Gravitational Waves Might Reveal Extra-Dimensions

6 Jul 2017, 05:00 UTC
Beyond Spacetime: Gravitational Waves Might Reveal Extra-Dimensions NASA (edit by Ian O’Neill)

We are well and truly on our way to a new kind of astronomy that will use gravitational waves — and not electromagnetic waves (i.e. light) — to “see” a side of the universe that would otherwise be invisible.

From crashing black holes to wobbling neutron stars, these cosmic phenomena generate ripples in spacetime and not necessarily emissions in the electromagnetic spectrum. So when the Laser Interferometer Gravitational-wave Observatory (LIGO) made its first gravitational wave detection in September 2015, the science world became very excited about the reality of “gravitational wave astronomy” and the prospect of detecting some of the most massive collisions that happen in the dark, billions of light-years away.

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