News tagged with star cluster

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Neutral hydrogen gas in galaxy clusters

Most galaxies are members of a cluster, a grouping of several to thousands of galaxies. Our Milky Way, for example, is a member of the "Local Group," a set of about fifty galaxies whose other large member is the Andromeda ...

dateSep 09, 2015 in Astronomy
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Image: Hubble sees a youthful cluster

Shown here in a new image taken with the Advanced Camera for Surveys (ACS) on board the NASA/ESA Hubble Space Telescope is the globular cluster NGC 1783. This is one of the biggest globular clusters in the Large Magellanic ...

dateAug 31, 2015 in Astronomy
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ESO image: Sibling stars

Open star clusters like the one seen here are not just perfect subjects for pretty pictures. Most stars form within clusters and these clusters can be used by astronomers as laboratories to study how stars evolve and die. ...

dateAug 19, 2015 in Astronomy
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Fossil star clusters reveal their age

Using a new age-dating method, an international team of astronomers has determined that ancient star clusters formed in two distinct epochs – the first 12.5 billion years ago and the second 11.5 billion years ago.

dateJul 27, 2015 in Astronomy
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How neutron stars can break up clusters

A supernova explosion at the end of a large star's life can leave the collapsed core, or neutron star, hurtling away from its dust and gas envelope at hundreds of kilometres per second. Now, astronomers have found that even ...

dateJul 09, 2015 in Astronomy
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