Professor Mike Merrifield discusses methods for measuring the distance to NGC 2. Includes the Tully-Fisher method. More links and info in full description ↓↓↓ More Mike Merrifield: http://bit.ly/Merrifield_Playlist Professor Merrifield on Twitter: https://twitter.com/AstroMikeMerri A New Method of Determining Distances to Galaxies: https://ui.adsabs.harvard.edu/abs/1975BAAS....7..426T/abstract Our thanks to Professor Tully for the picture of him with Professor Fisher. Messier Objects playlist: http://bit.ly/MessierObjects 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 https://www.nottingham.ac.uk/astronomy/ Back us on Patreon: https://www.patreon.com/deepskyvideos Video by Brady Haran and James Hennessy