News tagged with blue stragglers

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Stars reveal the secrets of looking young

Some people are in great shape at the age of 90, while others are decrepit before they're 50. We know that how fast people age is only loosely linked to how old they actually are—and may have more to do with their lifestyle. ...

dateDec 19, 2012 in Astronomy
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Young stars at home in ancient cluster

(PhysOrg.com) -- 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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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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Stars ancient and modern?

(Phys.org)—This colourful view of the globular star cluster NGC 6362 was captured by the Wide Field Imager attached to the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in Chile. This new picture, along with ...

dateOct 31, 2012 in Astronomy
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