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    Researchers create ‘Time Machine’ Simulations studying the Lifecycle of Ancestor Galaxy ‘Cities’

    June 7, 2022, Categories  Astronomy/Space

    Screenshots from the simulation show (top) the distribution of matter corresponding to the observed galaxy distribution at a light travel time of 11 billion years (when the Universe was only 2.76 billion years old or 20% its current age), and (bottom) the distribution of matter in the same region after 11 billion lights years or corresponding to our present time. (Credit: Ata et al.)

    For the first time, researchers have created simulations that directly recreate the full life cycle of some of the largest collections of galaxies observed in the distant universe 11 billion years ago, reports a new study in Nature Astronomy.

    Cosmological simulations are crucial to studying how the universe became the shape it is today, but many do not typically match what astronomers observe through te...

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