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    • The dominant model of the universe is creaking

      The dominant model of the universe is creaking

      The Economist· 22 hours ago

      AT KITT PEAK National Observatory, in Arizona, a telescope has spent three years building a three-dimensional map of the heavens. In examining the light...

    • Explained: What Is a Supernova?

      ExtremeTech· 3 days ago

      Astronomers and stargazers have known about such events since at least 185 AD and possibly for thousands of years before; in 1054, Chinese astronomers marked the appearance of a "guest star" ...