M72 – Variable Stars – Deep Sky Videos

From DeepSkyVideos.

Professor Mike Merrifield discusses variable stars in Messier 72 – also known as NGC 6981.
More links and info in full description ↓↓↓

Paper featured in this video: https://academic.oup.com/mnras/article/413/2/1275/1069062

Professor Merrifield on Twitter: https://twitter.com/AstroMikeMerri

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Video by Brady Haran and James Hennessy