How three laser-shooting spacecraft could reveal the birth of the universe

Image caption: The LIGO gravitational wave detector in Livingston, Louisiana. Image credit: Caltech / MIT / LIGO Lab. Article by Kristin Houser. Freethink – April 6, 2024.

The European Space Agency (ESA) has approved the world’s first space-based gravitational wave detector. Once launched, it will use three laser-shooting spacecraft to hunt for tiny ripples in spacetime — and hopefully give us an unprecedented look into the universe’s past. […]

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