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 ...

Dec 19, 2012
5 / 5 (2) 15 | with audio podcast

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, ...

Oct 31, 2012
5 / 5 (1) 2 | with audio podcast

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 ...

Dec 23, 2009
4.3 / 5 (9) 2

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 ...

Feb 09, 2012
4 / 5 (2) 8