this post was submitted on 10 Nov 2023
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Astronomy

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Dwarf galaxies stripped of stars prove to be the missing link in the formation of rare ultra-compact dwarf galaxies (phys.org)
submitted 2 years ago by btaf45@kbin.social to c/astronomy@mander.xyz
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Astronomers using the Gemini North telescope, one-half of the International Gemini Observatory operated by NSF's NOIRLab, have captured the eroding remains of more than 100 dwarf galaxies as they transition into ultra-compact dwarf galaxies, objects with masses much greater than star clusters yet much smaller than dwarf galaxies. These findings confirm that many ultra-compact dwarf galaxies are likely the fossil remains of normal dwarf galaxies that have been stripped of their outer layers.

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