Uploaded September 2018 | Updated September 2026, 2 weeks ago

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Dr Becky Smethurst discusses Messier 23 (aka NGC 6494) and the death of open clusters.
More links and info in full description ↓↓↓

Becky playlist: bit.ly/Becky_Playlist
Messier playlist: bit.ly/MessierObjects

Recorded with Dr Becky Smethurst as part of the Sixty Symbols Ogden Fellowship at the University of Nottingham.

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Video by Brady Haran
Editing in this video by James Hennessy