Astronomy

More Stories in Astronomy

  1. origami satellite james webb
    Astronomy

    When James Webb launches, it will have a bigger to-do list than 1980s researchers suspected

    The James Webb Space Telescope has been in development for so long that space science has changed in the meantime.

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  2. illustration of planets colliding
    Astronomy

    Space rocks may have bounced off baby Earth, but slammed into Venus

    New simulations suggest a way to help explain dramatic differences between the sibling worlds.

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  3. image of Mars and the Pleiades star cluster with crisscrossing streaks from Starlinks satellites
    Astronomy

    Satellite swarms may outshine the night sky’s natural constellations

    Simulations suggest that satellite “mega-constellations” will be visible to the naked eye all night long in some locations.

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  4. 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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  5. a row of radio telescopes at the Very Large Array
    Astronomy

    How radio astronomy put new eyes on the cosmos

    A century ago, radio astronomy didn’t exist. But since the 1930s, it has uncovered cosmic secrets from planets next door and the faint glow of the universe’s beginnings.

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  6. illustration of a steamy ocean horizon
    Astronomy

    New ideas on what makes a planet habitable could reshape the search for life

    New definitions of “habitable worlds” could include planets with global oceans under a steamy hydrogen atmosphere or exclude ones that started out habitable but lost all their water.

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  7. image of pluto
    Astronomy

    The definition of planet is still a sore point – especially among Pluto fans

    In the 15 years since Pluto lost its planet status, scientists have continued to use the definition that works for them.

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  8. illustration of a brown dwarf
    Astronomy

    Here’s how cool a star can be and still achieve lasting success

    The dividing line between successful stars and failed ones is a surface temperature of about 1,200° to 1,400° Celsius, a new study reports.

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  9. 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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