Hubble Sees Star Cluster 'Infant Mortality'

Astronomers have long known that young or "open" star clusters must eventually disrupt and dissolve into the host galaxy. They simply don't have enough gravity to hold them together, unlike their much more massive cousins, the globular star clusters.

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<p><a href="http://www.physorg.com/news87662598.html">Hubble Sees Star Cluster 'Infant Mortality'</a></p> <p>Astronomers have long known that young or "open" star clusters must eventually disrupt and dissolve into the host galaxy. They simply don't have enough gravity to hold them together, unlike their much more massive cousins, the globular star clusters.</p>