News tagged with massive galaxy

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Rare case of gravitational lensing reported (Update)

( -- Seeing is believing, except when you don't believe what you see. Astronomers using NASA's Hubble Space Telescope have found a puzzling arc of light behind an extremely massive cluster of galaxies residing 10 ...

dateJun 26, 2012 in Astronomy
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Giant black hole kicked out of home galaxy

( -- Astronomers have found strong evidence that a massive black hole is being ejected from its host galaxy at a speed of several million miles per hour. New observations from NASA's Chandra X-ray Observatory suggest ...

dateJun 04, 2012 in Astronomy
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Diagnosing a black hole flare

( -- Black holes can come in a wide range of masses. Some, with only about one solar mass, result from the supernova death of a massive star, while those at the center of galaxies (called supermassive black holes) ...

dateMay 07, 2012 in Astronomy
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Old star, new trick

The Big Bang produced lots of hydrogen and helium and a smidgen of lithium. All heavier elements found on the periodic table have been produced by stars over the last 13.7 billion years. Astronomers analyze starlight to determine ...

dateApr 30, 2012 in Astronomy
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A new paradigm for active galactic nuclei

( -- Seyfert galaxies are similar to normal galaxies like our own Milky Way except in one critical respect: their nuclei are fantastically bright, in extreme instances as luminous as 100 billion suns. Astronomers ...

dateApr 24, 2012 in Astronomy
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