Uploaded March 2012 | Updated September 2026, 2 weeks ago

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SEE LINKS BELOW... The composition of stars in M92 are fascinating - and great images of a Comet Garradd "passing" the cluster show us why Messier compiled his famous catalogue in the first place.

Speaking in this video are Professor Mike Merrifield from the University of Nottingham and Professor Paul Crowther from the University of Sheffield.

More on Judith Cohen's paper: iopscience.iop.org/2041-8205/740/2/L38;jsessionid=16F49354FDA9ABF915FF43B4E4A28936.c2

IMAGE CREDITS:
Nick Howes: twitter.com/#!/nickastronomer
Fred Espenak: astropixels.com
Nik Szymanek: ccdland.net
Adam Block: caelumobservatory.com
Bob Fera: feraphotography.com
Giovanni Sostero, Ernest Guido and Nick Howes collaborated on the cool image of Comet Garradd meeting M92

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More about the astronomers in our videos: deepskyvideos.com/pages/contributors.html

Videos by Brady Haran
Additional editing in this film by Stephen Slater