Ripples

Ripples in spacetime could actually reveal when time began

Ripples in spacetime could actually reveal when time began

The propagation of gravitational waves through matter could reveal the ripples in spacetime generated by the Big Bang. Two plasma physicists have used the propagation of electromagnetic waves through plasma as an analog of gravitational waves, devising a set of equations that describe what to look for when gravitational waves pass through stars and gas …

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Ripples in the Fabric of the Universe May Reveal the Beginning of Time

Ripples in the Fabric of the Universe May Reveal the Beginning of Time

Numerical simulation of neutron stars merging to form a black hole, with their accretion disks interacting to produce electromagnetic waves. Credit: L. Rezolla (AEI) & M. Koppitz (AEI & Zuse-Institut Berlin) Scientists have advanced in discovering how to use ripples in spacetime called gravitational waves to trace back to the beginning of everything we know. …

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