"Imagine a draft of air, moving dust balls around you. The draft is invisible, but you can see its effect on the dust balls. Now imagine that the dust balls are galaxy clusters, and the draft is a powerful, gravity-like force that can’t be explained by existing theories. That force, newly discovered by a team of NASA astrophysicists, has been named dark flow, and it’s pulling entire galaxies out of our universe — and into the unknown."Continue reading the VSL piece. Or, read more about dark flow.
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