Astronomy

  1. asteroid
    Science & Society

    ‘End Times’ explores the catastrophic events that could kill us all

    A new book looks at the threats that could wipe out humankind and what can be done to counteract them.

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  2. neutron star
    Space

    LIGO and Virgo probably spotted the first black hole swallowing up a neutron star

    In a first, astronomers may just have detected gravitational waves from a black hole merging with a neutron star.

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  3. CHIME telescope
    Space

    Astronomers just quintupled the number of known repeating fast radio bursts

    A Canadian telescope spotted eight more repeating fast radio bursts. What causes these cryptic flashes of radio waves from deep space remains unclear.

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  4. terrascope
    Space

    A proposed space telescope would use Earth’s atmosphere as a lens

    One astronomer has a bold solution to the high cost of building big telescopes.

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  5. supernova Vela
    Physics

    Exploding stars scattered traces of iron over Antarctic snow

    Researchers melted half a ton of snow to find just 10 atoms of a radioactive variety of iron.

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  6. Astronomy

    Giant, active galaxies from the early universe may have finally been found

    Overlooked galaxies from when the universe was younger than 2 billion years old could be the ancestors of other ancient and modern monster galaxies.

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  7. sunlike stars illustration
    Astronomy

    Stars may keep spinning fast, long into old age

    NASA’s TESS telescope has spotted an old star that spins too fast for theory to explain, suggesting that stars may have a magnetic midlife crisis.

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  8. Milky Way
    Astronomy

    A 3-D map of stars reveals the Milky Way’s warped shape

    Our galaxy flaunts its curves in a chart of thousands of stars called Cepheids.

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  9. hot Jupiter exoplanet
    Astronomy

    TESS has found the first-ever ‘ultrahot Neptune’

    NASA’s TESS telescope has spotted a world that could be a bridge between other types of exoplanets: hot Jupiters and scorched Earths.

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  10. Big Red Ball
    Astronomy

    In a first, physicists re-created the sun’s spiraling solar wind in a lab

    Some of the sun’s fundamental physics have been re-created with plasma inside a vacuum chamber

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  11. Chandra images
    Astronomy

    NASA’s Chandra X-ray telescope celebrates 20 years in space

    The U.S. space agency has released new images for the Chandra X-ray Observatory’s 20th birthday.

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  12. supernova
    Cosmology

    Scientists still can’t agree on the universe’s expansion rate

    A mismatch in measurements of how fast the universe is expanding might not be real, a study hints.

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