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  2. The Scale of the Universe - Wikipedia

    en.wikipedia.org/wiki/The_Scale_of_the_Universe

    [6] [7] [8] The current version of The Scale of the Universe 2 uses Pixi.js instead of Flash, ported by Matthew Martori. [6] The Scale of the Universe was featured on NASA's Astronomy Picture of the Day on October 7, 2018. [9] In 2020, animation studio Kurzgesagt released the app Universe in a Nutshell, which took inspiration from The Scale of ...

  3. SpaceEngine - Wikipedia

    en.wikipedia.org/wiki/SpaceEngine

    SpaceEngine is an interactive 3D planetarium and astronomy software [2] initially developed by Russian astronomer and programmer Vladimir Romanyuk. [3] Development is now continued by Cosmographic Software, an American company founded by Romanyuk and the SpaceEngine Team in February 2022, based in Connecticut.

  4. Universe - Wikipedia

    en.wikipedia.org/wiki/Universe

    The portion of the universe that can be seen by humans is approximately 93 billion light-years in diameter at present, but the total size of the universe is not known. [3] Some of the earliest cosmological models of the universe were developed by ancient Greek and Indian philosophers and were geocentric, placing Earth at the center.

  5. File:Observable Universe with Measurements 01.png - Wikipedia

    en.wikipedia.org/wiki/File:Observable_Universe...

    English: "A simulated view of the entire observable universe", approximately 93 billion light years (or 28.5 billion parsecs) in diameter. The scale is such that the fine grains represent collections of large numbers of superclusters.

  6. Observable universe - Wikipedia

    en.wikipedia.org/wiki/Observable_universe

    According to the theory of cosmic inflation initially introduced by Alan Guth and D. Kazanas, [23] if it is assumed that inflation began about 10 −37 seconds after the Big Bang and that the pre-inflation size of the universe was approximately equal to the speed of light times its age, that would suggest that at present the entire universe's ...

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    mail.aol.com

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  8. Cosmological horizon - Wikipedia

    en.wikipedia.org/wiki/Cosmological_horizon

    It represents the boundary between the observable and the unobservable regions of the universe, so its distance at the present epoch defines the size of the observable universe. Due to the expansion of the universe, it is not simply the age of the universe times the speed of light, as in the Hubble horizon, but rather the speed of light ...

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