File:The globular cluster NGC 6388, observed by Hubble (8287797411).jpg

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This image from the NASA/ESA Hubble Space Telescope shows NGC 6388, a dynamically middle-aged globular cluster in the Milky Way. While the cluster formed in the distant past (like all globular clusters, it is over ten billion years old), a study of the distribution of bright blue stars within the cluster shows that it has aged at a moderate speed, and its heaviest stars are in the process of migrating to the centre.

A new study using Hubble data has discovered that globular clusters of the same age can have dramatically different distributions of blue straggler stars within them, suggesting that clusters can age at substantially different rates.

More information and download-options: <a href="http://www.spacetelescope.org/images/heic1221a/" rel="nofollow">www.spacetelescope.org/images/heic1221a/</a>

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NASA, ESA, F. Ferraro (University of Bologna)
Date
Source The globular cluster NGC 6388, observed by Hubble
Author Hubble ESA

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Hubble Space Telescope / ESA at https://flickr.com/photos/51268976@N08/8287797411. It was reviewed on 8 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

8 December 2020

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current19:21, 8 December 2020Thumbnail for version as of 19:21, 8 December 20201,280 × 1,256 (829 KB)Eyes Roger (talk | contribs)Transferred from Flickr via #flickr2commons

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