An open cluster of stars, with many small stars in the background and several larger white and yellow in the foreground.

M11 – Wild Duck Cluster

Unlike the many globular clusters Hubble has imaged, open clusters are groups of stars that are only loosely bound by gravity. The lifespans of open clusters are relatively short when compared to those of globular clusters.

Credits: NASA, ESA, STScI and P. Dobbie (University of Tasmania)
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Image CreditNASA, ESA, STScI and P. Dobbie (University of Tasmania)
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