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Watch this spacetime: gravitational wave discovery expected

By msn.com

A decades-long search for gravitational waves is expected to end in triumph this week when scientists declare they have discovered ripples in the fabric of spacetime, possibly created by the collision of two massive black holes traveling at close to the speed of light.

First predicted by Einstein, and generated by the most cataclysmic events in the cosmos, gravitational waves stretch and squeeze space and all within it as they spread out across the universe. Their discovery, if confirmed, is certain to earn a Nobel prize.

Related: Gravitational waves: everything you need to know

Scientists have hunted for signs of the waves for decades, but until now, their attempts have been frustrated by false signals and instruments that were not sensitive enough to detect the waves by the time they reached Earth.

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