Cosmology

More Stories in Cosmology

  1. black and white photo of Alexander Friedmann
    Cosmology

    A century ago, Alexander Friedmann envisioned the universe’s expansion

    Alexander Friedmann saw that Einstein’s equations predicted multiple cosmic scenarios, including a Big Bang.

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  2. a black background highlights several galaxies, with a half-circle orange arc
    Astronomy

    A supernova’s delayed reappearance could pin down how fast the universe expands

    “SN Requiem” should reappear in the 2030s and help determine the universe’s expansion rate.

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  3. illustration of a supernova
    Cosmology

    Astronomers may have seen a star gulp down a black hole and explode

    It took sleuthing through data collected by a variety of observatories to piece together the first firm evidence of a theorized cosmic phenomenon.

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  4. cosmic microwave background
    Cosmology

    ‘Flashes of Creation’ recounts the Big Bang theory’s origin story

    In ‘Flashes of Creation,’ author Paul Halpern tells the story of George Gamow , Fred Hoyle and their decades-long sparring match about the Big Bang.

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  5. Astronomer Vera Rubin at Lowell Observatory in 1965
    Space

    Vera Rubin’s work on dark matter led to a paradigm shift in cosmology

    ‘Bright Galaxies, Dark Matter, and Beyond’ tells the story of how astronomer Vera Rubin provided key evidence for the existence of dark matter.

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  6. illustration of a cosmic filament
    Space

    Cosmic filaments may be the biggest spinning objects in space

    Filaments of dark matter and galaxies, which can stretch millions of light-years, might help astronomers figure out the origins of cosmic spin.

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  7. illustration of fast radio burst from magnetic star
    Space

    Fast radio bursts could help solve the mystery of the universe’s expansion

    Astronomers used fast radio bursts for the first time to measure the Hubble constant in hopes of ending the debate on the universe’s expansion rate.

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  8. Ptolemaic model of planets
    Cosmology

    Physicists’ devotion to symmetry has led them astray before

    If dark matter WIMPs are mythical, they join the ancient idea that the planets moved in circles.

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  9. scientist working on a module from the ANAIS experiment
    Cosmology

    The dark matter mystery deepens with the demise of a reported detection

    Early results from an experiment designed to replicate one that hinted that dark matter is made up of WIMPs came up empty-handed.

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