Uploaded February 2012 | Updated September 2026, 2 weeks ago

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The Sagittarius Star Cloud is M24 in the famed Messier catalogue - but can you really call it an object? Professor Mike Merrifield is an astronomer at the University of Nottingham. Messier object playlist: bit.ly/MessierObjects

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Image credits for this video:
Mike Durkin: flickr.com/photos/madmiked/2853869673
Feed Espenak: astropixels.com
Bob Fera: feraphotography.com

Videos by Brady Haran

Additional video editing by Stephen Slater