August 21, 2017

Black holes crash together and make waves

June 1, 2017

Three billion years ago, in a third of a second, two black holes crashed into each other and merged into a single entity, converting two solar masses into energy that shook the fabric of spacetime, sending gravitational ripples across the universe that were detected on Earth last January, researchers announced Thursday.

Gravitational wave testbed repurposed as comet dust detector

April 26, 2017

In the final months of Europe’s LISA Pathfinder mission, scientists have found an unexpected use for the trailblazing testbed for a future gravitational wave observatory by tracking the tiny dings made by microscopic particles that strike the spacecraft in deep space, exploiting the impacts to learn about the population of dust grains cast off by comets and asteroids across the solar system.

Gravitational waves detected, opening new era in astronomy

February 11, 2016

A century after Albert Einstein predicted their existence, gravitational waves have finally been detected, tiny ripples in the fabric of spacetime that were generated when two massive black holes crashed together in a space-warping cataclysm.

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