Unique Small Brown Dwarf Star Discovered
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U.S. scientists using NASA's Spitzer Space Telescope have discovered a small brown dwarf star, 50 times the mass of Jupiter.  The star is orbiting with a planet around a sun-like star in an arrangement astronomers say has never been observed before.
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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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PARIS - European astronomers announced Wednesday the discovery of what they say is the smallest known planet orbiting a star other than our sun.
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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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Hubble Space Telescope -- An international team of astronomers is announcing today that they have identified the probable surviving companion star to a titanic supernova explosion witnessed in the year 1572 by the great Danish astronomer Tycho Brahe and
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Archaeologists have unearthed evidence of a species of dwarf people, dubbed Homo floresiensis.
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Â· Dwarf planet is not even the biggest of its type Â· Eris, body that reopened debate, is heavier
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True Identity of a Dwarf Galaxy RevealedNew data obtained on the apparent celestial couple, NGC 5011 B and C, taken with the 3.6-m ESO telescope, reveal that the two galaxies are not at the same distance, as was believed for the past 23 years.
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Astronomers have spotted a faint cluster of stars in or near our galaxy, but they're not sure what to call the grouping.
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MAUNA KEA, Hawaii -- The sharpest image ever taken of a dust disk around another star has revealed structures in the disk which are signs of unseen planets.     Dr...
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Aug. 31, 2004 - 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
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New observations of dust around young stars suggest collisions of large asteroid-like objects and fledgling planets are frequent. But that doesn&#39;t likely stop the formation
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Danish astronomer Tycho Brahe spotted a new star in the sky on Nov. 11, 1572, and astronomers have been trying ever since to figure out exactly what happened. The case appeared to be solved last week.
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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 said on Tuesday.
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Astronomers have found the latest planet in another solar system â-r &quot;exoplanet&quot; â -ng telescopes no bigger than those you might find at a garage sale.
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VLTI Discerns How Matter Behaves in Disc Around a Be Star Thanks to the unique possibilities offered by ESO's Very Large Telescope Interferometer (VLTI), astronomers have solved a 140-year-old mystery concerning active hot stars.
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The Hubble Space Telescope has spotted what may be the youngest galaxy ever seen in the Universe.