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    • The Milky Way Galaxy Has A Clumpy Halo

      SpaceRef· 4 hours ago

      This heated halo, called the circumgalactic medium (CGM), was the incubator for the Milky Way's formation some 10 billion years ago and could be where basic matter unaccounted ...

    • Key ingredient of galaxy formation measured

      Nature· 6 days ago

      On my first day of graduate school, almost 40 years ago, my adviser asked me: “What is galaxy formation?” A stock answer for many cosmologists might be “the gravity-driven clustering of dark ...