Scientists detected ripples in space and time from a potentially new class of collision in the universe. Their observatory cracked a 100-year-old mystery posed by Einstein

Scientists detected ripples in space and time from a potentially new class of collision in the universe. Their observatory cracked a 100-year-old mystery posed by Einstein

by Morgan McFall-Johnsen, Business Insider

Scientists may have stumbled upon a previously unknown class of massive collision in the universe. 

On Monday, researchers at the Laser Interferometer Gravitational-Wave Observatory (LIGO) announced that they had yet again detected ripples in space-time. They think these particular disturbances in the fabric of the universe — which were observed in April 2019 — came from the collision of two neutron stars, the super-dense remnants of dead stars.

That would make this the second neutron-star collision ever detected, but it was quite different from the earlier one.

After the first collision was detected in 2017, telescopes turned to its location in the sky. Scientists studied the collision’s aftermath in visible light, radio waves, X-rays, and gamma rays. But this time, they didn’t find any signs of the collision other than its ripples in space-time.

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