This is the second video we've done on M40, also known as Winnecke 4. Featuring Professor Mike Merrifield.
Extra footage from this interview: • Does the Sun have a longlost twin?
Here's the new paper mentioned: / 779224336720953344
And the earlier paper: http://adsabs.harvard.edu/full/2002JR...
And the new paper on arXiv: http://arxiv.org/abs/1612.00834
Our first M40 video: • M40 Double Star Deep Sky Videos
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Made possible by:
The University of Nottingham
and The University of Sheffield.
Video by Brady Haran