The Nightly News
An Astronomy blog by Joe Bauman, Salt Lake City
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  1. Blog 60: Secrets of the first galaxies
    27 Aug, 2018
    Blog 60: Secrets of the first galaxies
    The first galaxies formed in two stages, according to a scientific paper published Aug. 16 -- and some of them remain in the Milky Way's orbit. Mysterious "dark matter" played a vital role in the process, the paper maintains. Dark matter is the name given to material or an effect that was present after the Big Bang and about which little is known other than its gravitational pull on ordinary matter. Findings are presented in "The Imprint of Cosmic Reionization on the Luminosity Function of

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