Professor Mike Merrifield discusses the birth and dispersion of stars in Messier 39. More Messier Objects: http://bit.ly/MessierObjects More links and info in full description ↓↓↓ Professor Merrifield is based at the University of Nottingham: https://twitter.com/AstroMikeMerri Extended stellar systems in the solar neighborhood -- V. Discovery of coronae of nearby star clusters: https://arxiv.org/abs/2010.06591 3D visualiser: https://homepage.univie.ac.at/stefan.meingast/coronae.html Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html Supported by the University of Nottingham Back us on Patreon: https://www.patreon.com/deepskyvideos Video by Brady Haran and James Hennessy