Search Results for: exoplanet

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382 results
  1. Space

    Crushed space rocks hint at exoplanets’ early atmospheric makeup

    Experiments that heat crushed-up meteorites are helping astronomers understand what to look for in exoplanet atmospheres.

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  2. Planetary Science

    How the laws of physics constrain the size of alien raindrops

    Physics limits the size of raindrops, no matter what they’re made of or what planet they fall on.

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  3. Astronomy

    Any aliens orbiting these 2,000 stars could spot Earth crossing the sun

    Alien astronomers in those star systems could discover Earth the way we find exoplanets: by watching for a dip in starlight.

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  4. Astronomy

    The tiny dot in this image may be the first look at exomoons in the making

    New ALMA observations offer some of the strongest evidence yet that planets around other stars have moons.

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  5. A century of exploring the endless final frontier

    Editor in chief Nancy Shute discusses a century of astronomy and scientists' search for worlds beyond our own

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  6. Readers discuss hot Jupiters, Earth’s inner core oddities and more

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  7. Astronomy

    New Gaia data paint the most detailed picture yet of the Milky Way

    Gaia’s new data can tell us about galaxies the Milky Way has swallowed, the young solar system and asteroids that could hit Earth.

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  8. Astronomy

    The universe’s background starlight is twice as bright as expected

    Images from the New Horizons spacecraft suggest that light from all known galaxies accounts for only half of the cosmos’ visible background glow.

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  9. Planetary Science

    U.S. planetary scientists want to explore Uranus and Enceladus next

    A report on recommendations for the next 10 years of U.S. planetary science prioritizes sending an orbiter to Uranus and an “orbilander” to Enceladus.

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  10. Astronomy

    Two exoplanet families redefine what planetary systems can look like

    The TRAPPIST-1 and TOI-178 systems, both home to multiple bunched-up planets, have densities and orbits that defy expectations.

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  11. Planetary Science

    A century of astronomy revealed Earth’s place in the universe

    The past century of astronomy has been a series of revolutions, each one kicking Earth a bit farther to the margins.

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  12. Readers discuss corn debris biofuel, the color of ancient Mars’ oceans and more

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