Without Dark Energy

Authors: George Rajna

Three mathematicians have a different explanation for the accelerating expansion of the universe that does without theories of "dark energy." [26] The arrow of time and the accelerated expansion are two fundamental empirical facts of the universe. [25] The intensive, worldwide search for dark matter, the missing mass in the universe, has so far failed to find an abundance of dark, massive stars or scads of strange new weakly interacting particles, but a new candidate is slowly gaining followers and observational support. [24] “We invoke a different theory, the self-interacting dark matter model or SIDM, to show that dark matter self-interactions thermalize the inner halo, which ties ordinary dark matter and dark matter distributions together so that they behave like a collective unit.” [23] Technology proposed 30 years ago to search for dark matter is finally seeing the light. [22] They're looking for dark matter—the stuff that theoretically makes up a quarter of our universe. [21] Results from its first run indicate that XENON1T is the most sensitive dark matter detector on Earth. [20]

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[v1] 2017-12-14 08:11:26

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