Overlooked Thomas is stargazing
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"Would it have been nice? Sure. Would it have been a dream come true?"
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An optical illusion has caused astronomers to overestimate the size of a class of giant stars by a factor of two, according to new observations.
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IT IS THE SEASON for stars. What to most of us are simply pinpoints of light in a dark night sky are to astronomers much more. Dwarfs, subgiants, supergiants, single-line and spectroscopic double starsthe
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With the help of a modified backyard telescope, astronomers have discovered a giant planet orbiting another star. It is the first extrasolar world found with such modest equipment.
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By SETH BORENSTEIN   Associated Press writer  CAPE CANAVERAL, Fla. -- Stargazers will get a rare triple planetary treat this weekend with Jupiter, Mercury and Mars appearing to nestle together in the predawn skies.
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The &quot;northern lights&quot; will be visible this week in the Long Island area, with best chance of seeing them over the next few nights, astronomers said.
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Four hundred years ago, sky watchers, including the famous astronomer Johannes Kepler, best known as the discoverer of the laws of planetary motion, were startled by the sudden appearance of a "new star" in the western sky, rivaling the brilliance of the nearby planets.
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European astronomers sighted the planet orbiting a Sun-like star, mu Arae, in a southern constellation called the Altar and which is bright enough to be seen with the naked eye.
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Images from NASA telescopes are jewels of the space program, marvelous to behold. But how do you behold them when you can't see? The answer lies between the covers of a new NASA-funded book written in Braille, Touch the Invisible Sky.
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A spacecraft in solar orbit reached almost directly above   the south pole of the Sun last week, giving   scientists a rare glimpse of this unfamiliar territory.
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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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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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What might be the first directly visible planet orbiting a starlike body other than our sun was reported by scientists from Europe and Los Angeles on Friday.
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Observing the image of a faint object that lies close to a star is a demanding task as the object is generally hidden in the glare of the star. Characterising this object, by taking spectra, is an even harder challenge.
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Using the largest telescopes available, astronomers have dissected the dusty, gassy layers of the red giant S Orionis-a star that pulsates in size from a diameter roughly equal to the orbit of Mars to that of Jupiter every 410 days.
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Astronomers have found what they say is the best evidence yet for water, or at least steam, in the atmosphere of a planet around another star.
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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 other astronomers of that