File:The globular star cluster Messier 54.jpg

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English: 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. Messier 54 doesn’t belong to the Milky Way, but actually is part of a small satellite galaxy, the Sagittarius Dwarf Galaxy. This unusual parentage has allowed astronomers to use the Very Large Telescope (VLT) to test whether unexpectedly low levels of the element lithium in stars are also found in stars outside the Milky Way.
Date
Source http://www.eso.org/public/images/eso1428a/
Author ESO
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10 September 2014

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Date/TimeThumbnailDimensionsUserComment
current15:30, 14 February 2024Thumbnail for version as of 15:30, 14 February 202417,208 × 16,310 (148.46 MB)C messierfull size
01:16, 12 September 2014Thumbnail for version as of 01:16, 12 September 20141,280 × 1,213 (748 KB)JmencisomUser created page with UploadWizard
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