Watching as Dusty Disks Slowly Turn Into Planets
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Until recently, astronomers had never seen dust and planets around the same stars. This month, astronomers said they had closed the loop.
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The race to find distant new âEarthsâ heated up considerably yesterday with the detection of two of the smallest planets ever detected outside the Solar System.
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A new extra-solar planet has been identified orbiting a star 500 light years from our solar system. The discovery was made by a team using a four-inch diameter telescope to make their observations - a size
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A tiny telescope has spotted a giant planet circling a faraway star, using a technique that could open a new phase of planetary discovery, scientists say.
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The leading theory of how planets form is being revised because of new observations from the US Spitzer Space Telescope. The process is not as smooth and quiet as once thought, but rather the result of violent collisions between massive space rocks.
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Several dozen baby galaxies have turned up in galactic retirement communities near the Milky Way, new observations reveal. The objects resemble primitive galaxies from the early universe and may shed light on what triggers galaxies to form.
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Two old stars appear to be gearing up for a second generation of planet formation, a phenomenon astronomers say they have never seen before.
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Giant planets and broad bands of dust swirl around seven distant stars in new images captured by two NASA telescopes, both built partly in Colorado.
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New observations of dust around young stars suggests collisions of large asteroid-like objects and fledgling planets are frequent. But that doesn't likely stop the formation of rocky planets like Earth, a process that may well be common, the results suggest.
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Planets are built over a long period of massive collisions between rocky bodies as big as mountain ranges, astronomers announced today. New observations from NASA's Spitzer Space Telescope reveal surprisingly large dust clouds around several stars.
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Gas giants that orbit close to their stars likely migrated inward, shaking up debris that could coalesce into Earthlike worlds, new computer models predict.
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It may take much longer than scientists have thought for violent turbulence to turn grains of space dust into new planets. A NASA telescope recently discovered evidence that
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Finding planets that pass in front of their parent stars is so important to understanding how planets form that the European Space Agency will shortly launch the 35 million Euro COROT satellite to find them.
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Scientists have gotten their best look ever at the composition of planets outside our solar system, but were more surprised by what they didn't see than what they did see.
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In a solar system thousands of light years away, a star about half the size of our sun is being orbited by two planets that seem like smaller versions of Jupiter and Saturn, astronomers report.
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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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Objects in the Kuiper Belt - the region beyond Pluto&#39;s orbit where many comets originate - may be much smaller than astronomers thought, according to observations made with NASA&#39;s Spitzer infrared telescope.