Search Results for: exoplanet

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372 results
  1. illustration of a planet spiraling into its star
    Astronomy

    The first planet found by the Kepler space telescope is doomed

    The exoplanet dubbed Kepler 1658b is spiraling toward its host star and will meet a fiery death in less than 3 million years.

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  2. a brown dwarf, a failed star, illustrated against a black background
    Astronomy

    Sand clouds are common in atmospheres of brown dwarfs

    Dozens of newly examined brown dwarfs have clouds of silicates, confirming an old theory and revealing how these failed stars live.

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  3. Readers react to Science News' headline quiz, pesky subatomic particles and more

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  4. illustration of exoplanet GJ 367b next to a glowing red star
    Planetary Science

    This tiny, sizzling exoplanet could be made of molten iron

    A newly discovered exoplanet that whips around its star in less than eight hours is smaller than Earth, as dense as iron and hot enough to melt.

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  5. A dark planet in space with no star nearby, with a galaxy distantly cutting through the background
    Planetary Science

    Planets without stars might have moons suitable for life

    Thanks to gravitational squeezing by their host planets, some moons of rogue planets could stay warm for over a billion years, simulations suggest.

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  6. An illustration of the Kepler-35 system with a planet in the foreground and two stars in the background.
    Astronomy

    Lots of Tatooine-like planets around binary stars may be habitable

    A new simulation suggests that planets orbiting a pair of stars may be plentiful, and many of those worlds could be suitable for life.

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  7. an illustration of the exomoon Kepler 1708 b i, shown as a blue-green orb, orbiting a large, Jupiter-like exoplanet
    Astronomy

    Astronomers identified a second possible exomoon

    Kepler 1708 b i, a newly discovered candidate for an exoplanet moon, has a radius about 2.6 times that of Earth, a new study suggests.

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  8. Robin Wordsworth stands in front of a martian meteorite exhibit wearing a gray sweater and glasses
    Planetary Science

    Robin Wordsworth re-creates the atmosphere of ancient Mars

    Robin Wordsworth studies the climates of Mars and other alien worlds to find out whether they could support life.

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  9. thousands of distant galaxies captured by the James Webb Space Telescope
    Astronomy

    Here are the James Webb Space Telescope’s stunning first pictures

    President Biden revealed the NASA telescope's image of ancient galaxies whose light has been traveling 13 billion years to reach us.

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  10. Hubble image of a cluster of galaxies with an inset image of galaxy MACS1149-JD1
    Astronomy

    The most distant rotating galaxy hails from 13.3 billion years ago

    Astronomers have spotted a rotating galaxy whose light comes from just 500 million years after the Big Bang.

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  11. image of the Whirlpool galaxy
    Astronomy

    Astronomers may have spotted the first known exoplanet in another galaxy

    The spiral-shaped Whirlpool galaxy may be the host of the first planet spotted outside of the Milky Way.

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  12. Regions of sky, shown as rectangles, observed by JWST, against a black backdrop
    Astronomy

    How the James Webb telescope’s glances back in time are reshaping cosmology

    The observatory has found dozens of galaxies from less than 550 million years after the Big Bang, suggesting galaxies formed faster than once thought.

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