News tagged with star clusters

VISTA views a vast ball of stars

( -- A new image of Messier 55 from ESO's VISTA infrared survey telescope shows tens of thousands of stars crowded together like a swarm of bees. Besides being packed into a relatively small space, these stars are ...

dateMay 09, 2012 in Astronomy
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Young stars at home in ancient cluster

( -- Looking like a hoard of gems fit for an emperor's collection, this deep sky object called NGC 6752 is in fact far more worthy of admiration. It is a globular cluster, and at over 10 billion years old is one ...

dateFeb 09, 2012 in Astronomy
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Hubble finds appearances can be deceptive

(—Globular clusters are roughly spherical collections of extremely old stars, and around 150 of them are scattered around our galaxy. Hubble is one of the best telescopes for studying these, as its extremely high ...

dateJan 28, 2013 in Astronomy
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Vampires and collisions rejuvenate stars

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they seem to have been ...

dateDec 23, 2009 in Astronomy
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SMA reveals giant star cluster in the making

W49A might be one of the best-kept secrets in our galaxy. This star-forming region shines 100 times brighter than the Orion nebula, but is so obscured by dust that very little visible or infrared light escapes.

dateDec 16, 2013 in Astronomy
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Hubble views an old and mysterious cluster

The NASA/ESA Hubble Space Telescope has captured the best ever image of the globular cluster Messier 15, a gathering of very old stars that orbits the centre of the Milky Way. This glittering cluster contains over 100 000 ...

dateNov 14, 2013 in Astronomy
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