M73 – Is it really an “object”? – Deep Sky Videos


Messier 73 (aka NGC 6994) has been the cause of confusion and disagreement, as Dr Becky Smethurst explains.
More links and info below ↓ ↓ ↓

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

Dr Smethurst is the Sixty Symbols Ogden Fellow at the University of Nottingham.

Papers mentioned in the video include:
The clashing 2000 papers…
https://arxiv.org/abs/astro-ph/0001238
https://arxiv.org/abs/astro-ph/0003372
The deciding 2002 paper…
https://www.aanda.org/articles/aa/abs/2002/07/aa1843/aa1843.html

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Made possible by:
The University of Nottingham
and The University of Sheffield.

Video by Brady Haran

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