News tagged with galaxy cluster

Image: Hubble looks into Terzan 7

Named after its discoverer, the French-Armenian astronomer Agop Terzan, this is the globular cluster Terzan 7—a densely packed ball of stars bound together by gravity. It lies just over 75,000 light-years away from us on ...

dateFeb 17, 2014 in Astronomy
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Death by black hole in small galaxy?

( —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra X-ray Observatory ...

dateJan 08, 2014 in Astronomy
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The rise and fall of galactic cities

( —In the fable of the town and country mice, the country mouse visits his city-dwelling cousin to discover a world of opulence. In the early cosmos, billions of years ago, galaxies resided in the equivalent of ...

dateDec 19, 2013 in Astronomy
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Astronomers crack mystery of the 'monster stars'

( -- In 2010 scientists discovered four 'monster' sized stars, with the heaviest more than 300 times as massive as our Sun. Despite their incredible luminosity, these exotic objects, located in the giant star cluster ...

dateAug 07, 2012 in Astronomy
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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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Phoenix cluster sets record pace at forming stars

( -- Astronomers have found an extraordinary galaxy cluster -- one of the largest objects in the Universe -- that is breaking several important cosmic records. Observations of this cluster, known as the Phoenix Cluster, ...

dateAug 15, 2012 in Astronomy
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