Hubble Sees Star Cluster 'Infant Mortality'

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The image of NGC 1313 at left was taken by the European Southern Observatoryacutes Very Large Telescope (VLT) in Chile on Dec. 16 2003. The outline of the central region indicates the area observed with Hubbleacutes Advanced Camera for Surveys. The H ...
The image of NGC 1313 at left was taken by the European Southern Observatory's Very Large Telescope (VLT) in Chile on Dec. 16, 2003. The outline of the central region indicates the area observed with Hubble's Advanced Camera for Surveys. The Hubble image at right was taken in November 2003 and February 2004. Credit: VLT image: H. Boffin (FORS/VLT/ESO) Hubble image: NASA, ESA, and A. Pellerin (STScI)

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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