New class of planets found
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small-mass planets soon,&quot; said Paul Butler of the Carnegie Institution of Washington, the co-discoverer of one of the new planets.
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For the first time, NASA scientists have observed planet-containing solar systems with disks of dust orbiting their central stars, astronomers announced Thursday.
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Astronomers using telescopes not much larger than the spyglass Galileo wielded 400 years ago have discovered a new Jupiter-sized planet orbiting a bright, distant star.
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Among a batch of new planets, found by the Hubble telescope on a small patch of sky in Sagittarius, are as many as five that orbit their home stars in less than a day.
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New observations of dust around young stars suggests collisions of large asteroid-like objects and fledgling planets are frequent.
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A new wide-field sky survey known as SuperWasp discovers two planets orbiting far-distant stars.
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American astronomers say they have discovered the two smallest planets yet orbiting nearby stars, trumping a small planet discovery by European scientists five days ago and capping the latest round in a frenzied hunt for other worlds like Earth.
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Two Neptune-sized planets have been discovered circling stars beyond our Solar System, US astronomers reported on Tuesday. The discoveries, which come less than a week after a similar announcement by European
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The roll call of planets beyond the solar system swelled significantly with the announcement of a trio of newly discovered worlds much smaller than any previously discovered around other stars.
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A new spectrometer lets scientists learn more about the planet's chemistry.
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Advances in planet-hunting technology lead to the discovery of more planets -- plus seven brown dwarfs -- outside our solar system.
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Two new discoveries suggest that sunlike solar systems like ours â with life-hosting planets â are more common than previously thought.
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A nearby star thought to harbor comets and asteroids now appears to be home to planets, too. The presumed worlds are smaller than Jupiter and could be as tiny as Pluto, new observations suggest.
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As winter begins, the early morning sky is loaded with planets. Some are unmistakably bright, but a few will require some sleuthing.
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These are heady times for planet hunters. During the past decade, astronomers have uncovered at least 125 confirmed planets in 98 solar systems in our corner of the Milky Way.
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Planet-seekers who have spotted 28 new planets orbiting other stars in the past year say Earth's solar system is far from unique and there could be billions of habitable planets.
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Two separate teams of astronomers find Neptune-size planets beyond our solar system. Earth-like planets are just around the corner, they say. By Amit Asaravala.