Astronomers Spot Smallest Planets Yet
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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.    All three of these smaller planets belong to a new class of "exoplanets" - those that orbit stars other than our sun, the scientists said in a briefing Tuesday...
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Astronomers using NASA's Hubble Space Telescope have photographed one of the smallest objects ever seen around a normal star beyond our Sun. Weighing in at 12 times the mass of Jupiter, the object is small enough to be a planet.
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In a discovery that has left one expert stunned, European astronomers have    found one of the smallest planets known outside our solar system, a world about    14 times the mass of our own around a star much like the Sun.
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Two small moons have been discovered orbiting Saturn by NASA&#39;s Cassini-Huygens probe. The find, which was announced yesterday, raises Saturn&#39;s satellite count to 33.
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The hunt for tiny treasures continues.
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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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A âsuper Earthâ planet has been discovered in a star system 50 light years away. It is the smallest world to be found outside our Solar System, and probably the first rocky planet found so far, astronomers revealed on Wednesday.
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NASA's Spitzer Space Telescope has spotted a dusty disc of material around a very small "failed star" called a brown dwarf, raising the possibility that there may be miniature solar systems in which planets orbit objects not much larger than planets, scientists said Monday.
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A University of Colorado study has embarked on demonstrating that new planets can be found with the help of an orbiting starshade. The method has been compared to building a giant pinhole camera in space.
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Astronomers announce recent discoveries of two Earth-like planets.
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Astronomers have discovered a new class of planets that take less than a day to whiz round their parent stars.
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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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Planet-building is dusty work, and now two space telescopes have captured images of cosmic construction materials: disks of dust circling stars about the same size as our sun.
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VLT Finds Smallest Galactic Object with JetsJets of matter have been discovered around a very low mass 'failed star', mimicking a process seen in young stars.
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A small new found object, temporarily designated S/2004 S 3, has been seen orbiting Saturn&#39;s outer F ring. The tiny object, seen in this movie centered in a green box, orbits the planet at a distance of approximately
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A team of astronomers from the US and the UK obtain some of the clearest pictures of space ever taken.
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NASA's Spitzer Space Telescope has captured for the first time enough light from planets outside our solar system, known as exoplanets, to identify signatures of molecules in their atmospheres.