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  • et_00304060
    Four light years — more than 24 trillion miles — from our home planet there is a world orbiting a small, red star called Proxima Centauri. No human eyes have ever seen it. The scientists who announced its discovery Wednesday are pretty sure it exists because they can see the way the star wobbles under […]
  • gyvaoclbwrn9zvwbphqz
    Astronomers Aaron Smith and Volker Bromm of The University of Texas at Austin, working with Avi Loeb of the Harvard-Smithsonian Center for Astrophysics, have discovered evidence for an unusual kind of black hole born extremely early in the universe. They showed that a recently discovered unusual source of intense radiation is likely powered by a […]