News tagged with massive stars

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Giant galaxies die from the inside out

A major astrophysical mystery has centred on how massive, quiescent elliptical galaxies, common in the modern Universe, quenched their once furious rates of star formation. Such colossal galaxies, often also called spheroids ...

dateApr 16, 2015 in Astronomy
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Mismatched twin stars spotted in the delivery room

The majority of stars in our galaxy come in pairs. In particular, the most massive stars usually have a companion. These fraternal twins tend to be somewhat equal partners when it comes to mass - but not always. In a quest ...

dateFeb 12, 2015 in Astronomy
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Common physics among black holes

(—Black holes range from modest objects formed when individual stars end their lives to behemoths billions of times more massive that rule the centers of galaxies. A new study using data from NASA's Swift satellite ...

dateDec 13, 2012 in Astronomy
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'Witch Head' brews baby stars

( —A witch appears to be screaming out into space in this new image from NASA's Wide-Field Infrared Survey Explorer, or WISE. The infrared portrait shows the Witch Head nebula, named after its resemblance to the ...

dateOct 31, 2013 in Astronomy
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A hidden population of exotic neutron stars

( —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using NASA's Chandra ...

dateMay 23, 2013 in Astronomy
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Hubble watches star clusters on a collision course

( -- Astronomers using data from NASA's Hubble Space Telescope have caught two clusters full of massive stars that may be in the early stages of merging. The clusters are 170,000 light-years away in the Large Magellanic ...

dateAug 16, 2012 in Astronomy
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Fermi telescope explores new energy extremes

( -- After more than three years in space, NASA's Fermi Gamma-ray Space Telescope is extending its view of the high-energy sky into a largely unexplored electromagnetic range. Today, the Fermi team announced its ...

dateJan 10, 2012 in Astronomy
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