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Scientists Track How a Giant Wave Moved Through Our Galactic Backyard

Astronomers say there's a wave rippling through our galactic neighborhood that's playing a part in the birth and death of stars --- and perhaps in Earth's history as well. The cosmic ripple, known as the Radcliffe Wave, was identified in astronomical data four years ago --- but in a follow-up study published today by the journal Nature, a research team lays out fresh evidence that the wave is actually waving, like the wave that fans in a sports stadium create by taking turns standing up and sitting down.

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