News tagged with spitzer space telescope

The Energy Sources of Ultraluminous Galaxies

(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity of only about ...

dateNov 27, 2009 in Astronomy
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Spitzer Telescope Observes Baby Brown Dwarf

(PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these cosmic misfits ...

dateNov 23, 2009 in Astronomy
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Galaxy cluster smashes distance record

The most distant galaxy cluster yet has been discovered by combining data from NASA's Chandra X-ray Observatory and optical and infrared telescopes. The cluster is located about 10.2 billion light years away, and is observed ...

dateOct 22, 2009 in Astronomy
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Why Are Galaxies So Smooth?

(PhysOrg.com) -- Using NASA's Spitzer Space Telescope, an international team of astronomers has discovered streams of young stars flowing from their natal cocoons in distant galaxies. These distant rivers of stars provide ...

dateMay 01, 2009 in Astronomy
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Resolving a galactic mystery

An extremely deep Chandra X-ray Observatory image of a region near the center of our Galaxy has resolved a long-standing mystery about an X-ray glow along the plane of the Galaxy. The glow in the region covered by the Chandra ...

dateApr 29, 2009 in Astronomy
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Solar systems around dead Suns?

(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting these objects ...

dateApr 20, 2009 in Astronomy
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