Even at Lowell, Pluto's a Dwarf
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By Larry HendricksTwenty-one men, women and children walked from the visitor center out into Labor Day sunshine at Lowell Observatory on Monday.
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Astronomers meet in Prague to define the meaning of the word planet, and to decide if Pluto really is one.
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SPACE.com / NASA's Pluto-bound New Horizons spacecraft has snapped its first high-resolution photo, an image of distant stars that shows the probe's high-resolution camera works.
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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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Dwarf animals that lived on islands thousands of years ago evolved to their tiny size due to a lack of predators and competitors, not just because they were too big for their habitats, researchers said on Monday.
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By Jeremy Manier, Chicago Tribune  Sep. 15--Lucy Lawless, take heart.   Astronomers may have given a snub to the TV actress who starred in "Xena: Warrior Princess," when they conferred a new name on a Pluto-sized world they'd previously nicknamed Xena.
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NASA's New Horizon's space probe was pointed toward Pluto and the frozen, sunless reaches of the solar system on a nine-year journey after getting a gravity boost Wednesday from Jupiter.
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Astronomers have given Pluto an official number to represent its downgraded status as a "dwarf planet." The icy body nicknamed "Xena" has also received an official name: Eris.
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The dwarf planet formerly known as Xena received a new name, while Pluto was given a number to reflect the loss of its status as a planet.
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A distant, icy rock whose discovery shook up the solar system and led to Pluto's planetary demise has been given a name: Eris.
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Hawaii&#39;s Keck Observatory has confirmed the existence of a Jupiter-sized planet orbiting a distant star, the first one spotted by a network of astronomers using telescopes no larger than the ones you can buy in stores.
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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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An astronomer at Penn State University is not certain whether the latest discovery in outer space is a planet or a failed star.
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By ALICIA CHANG  LOS ANGELES - A distant, icy rock whose discovery shook up the solar system and led to Pluto's planetary demise has been given a name: Eris.
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Archaeologists have unearthed evidence of a species of dwarf people, dubbed Homo floresiensis.
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In one of the most famous attempts to declare a mathematical truth by political fiat, the Indiana legislature comes this close to establishing an exact value for pi. Good thing a math professor happened to be wandering by.
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Washington, DC- Using a network of small automated telescopes known as HAT, Smithsonian astronomers have discovered a planet unlike any other known world.