From DeepSkyVideos.

Abell 1 is the first galaxy cluster in the so-called Abell Catalogue. Professor Meghan Gray has the story. More links and info in full description ↓↓↓

Professor Gray is based at the University of Nottingham – https://www.nottingham.ac.uk/physics/people/meghan.gray

More videos with Dr Gray – https://www.youtube.com/playlist?list=PLcUY9vudNKBORQN625NgO3c4T82M6w2st

Messier Objects playlist: http://bit.ly/MessierObjects

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Astronomy at The University of Nottingham: https://www.nottingham.ac.uk/astronomy/

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Video by Brady Haran and James Hennessy