Astronomy

  1. Astronomy

    Heavy metal may rain from the skies of planet WASP 76b

    Astronomers saw hints of iron rain on an ultrahot gas giant, an exoplanet where starlike atmospheric temperatures drive weird weather.

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  2. Space

    Cecilia Payne-Gaposchkin revealed stars’ composition and broke gender barriers

    The book ‘What Stars Are Made Of’ celebrates the life of astronomer Cecilia Payne-Gaposchkin.

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  3. Space

    A black hole eruption marks the most powerful explosion ever spotted

    Hundreds of millions of years ago, a black hole blasted out roughly 100 billion times as much energy as the sun is expected to emit in its lifetime.

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  4. Space

    50 years ago, scientists were studying why the sun’s corona is so hot

    In 1970, scientists were hoping to learn why the sun’s corona is so hot during an eclipse. Fifty years later, the corona’s magnetic field may hold some answers.

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  5. Physics

    This fundamental constant of nature remains the same even near a black hole

    A number that sets the strength of electromagnetic interactions isn’t altered by the extreme gravity around the Milky Way’s supermassive black hole.

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  6. Astronomy

    Molecular oxygen has been spotted beyond the Milky Way for the first time

    Astronomers have detected molecular oxygen in another galaxy for the first time. The discovery is only the third sighting beyond our solar system.

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  7. Space

    An ancient galaxy grew massive — then oddly stopped making stars

    After ferociously producing stars for a few hundred million years, this galaxy in the early universe gave up, and astronomers aren’t sure why.

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  8. Space

    ESA’s Solar Orbiter will be the first spacecraft to study the sun’s polar zones

    ESA's Solar Orbiter is now on its way to the sun, beginning a nearly two-year journey.

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  9. Space

    This is the first fast radio burst known to have a steady beat

    Brief blasts of radio energy from other galaxies keep stumping astronomers, but one seems to be on a 16-day cycle, a new clue in an ongoing puzzle.

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  10. Space

    The wobbling orbit of a pulsar proves Einstein right, yet again

    Astronomers have found a pulsar’s orbit being rocked to and fro as a neighboring white dwarf whips up spacetime, in accordance with general relativity.

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  11. Space

    As NASA’s Spitzer telescope’s mission ends, here’s a look back at its discoveries

    For more than 16 years, the Spitzer Space Telescope has witnessed the births and deaths of stars, charted the Milky Way, found faraway worlds and more.

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  12. Space

    Phosphorus, a key ingredient of life, has been found in a newborn star system

    Astrochemists map phosphorus-bearing molecules in a star-forming cloud, giving clues to how this vital element may have arrived on Earth.

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