Since the gravitational waves predicted by Einstein were first detected in 2015, astrophysicists have been pondering the gravitational wave background--the cumulative undulations of these spacetime ripples as they cross the cosmos.
Since the gravitational waves predicted by Einstein were first detected in 2015, astrophysicists have been pondering the gravitational wave background--the cumulative undulations of these spacetime ripples as they cross the cosmos.
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