News tagged with astronomy and astrophysics

Hypergiant star studied

A European research team has published the results of a 30-year study of an extraordinary hypergiant star. They have found that the surface temperature of the super-luminous star HR 8752 increased by about 3000 degrees in ...

dateDec 10, 2012 in Astronomy
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Scientists discover ageing star destroys planet

(—An international team of astronomers has found evidence that a planet was destroyed by its ageing star. Led by Pennsylvania State University (Penn State) in the United States, the team showed that the missing ...

dateSep 21, 2012 in Astronomy
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Astronomers detect coolest radio star

( -- Astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous ...

dateApr 18, 2012 in Astronomy
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Andromeda galaxy pops up ultraluminous X-ray sources

( -- Researchers using NASA's Chandra X-ray Observatory, Hubble Space Telescope, Swift Gamma-ray Burst Explorer and the European Space Agency's XMM-Newton Observatory have been studying an object known as an ultraluminous ...

dateFeb 27, 2012 in Astronomy
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