The Milky Way galaxy is orbited by more than 150 globular star clusters, which are balls of hundreds of thousands of old stars dating back to the formation of the galaxy. One of these, along with ...
StarStuff photo of the week This photo of the globular cluster Messier 54 may look tranquil but astronomers believe it's the site of an act of galactic cannibalism. Located about 87,000 light years ...
This image from the VLT Survey Telescope at ESO's Paranal Observatory in northern Chile shows the globular cluster Messier 54. This cluster looks very similar to many others, but it has a secret.
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