Dr Meghan Gray discusses a luminous red nova in the spiral galaxy M99. More links and info in full description ↓↓↓ More Messier videos: http://bit.ly/MessierObjects Paper discussing the luminous object: https://arxiv.org/abs/1005.1455 Galileo's Lost Letter: https://www.youtube.com/watch?v=UPSt6ablcv4 Halifax Explosion: https://www.youtube.com/watch?v=u5uTAt_A8BY 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 James Hennessy and Brady Haran