An image of the Wild Duck Cluster was captured by the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. The blue stars at the center of the image are the stars of the cluster. Every star in the Wild Duck Cluster is roughly 250 million years old. Older, redder stars surround the cluster.
Credit: European Southern Observatory
Do star clusters harbor many generations of stars or just one? Scientists have long searched for an answer and, thanks to the University of Arizona’s MMT telescope, found one in the Wild Duck Cluster, where stars spin at different speeds, disguising their common age.
In a partnership between the UA and the Korean Astronomy and Space Science Institute, a team of Korean and Belgian astronomers used UA instruments to solve a puzzle about flocks of stars call...
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