Help us make Syzygy even better! Tell your friends and give us a review, or show your support on Patreon: patreon.com/syzygypodSyzygy is produced by Chris Stewart and co-hosted by Dr Emily Brunsden from the Department of Physics at the University of York.On the web: syzygy.fm | Twitter: @syzygypodThings we talk about in this episode:The merging galaxies paper: https://www.nature.com/articles/s41586-018-0652-7Hubblesite article about the story: https://www.nasa.gov/feature/goddard/2018/astronomers-unveil-growing-black-holes-in-colliding-galaxiesSimulations of galaxy collisions: https://svs.gsfc.nasa.gov/10687Stephan’s Quintet: https://apod.nasa.gov/apod/ap140327.htmlKeck Observatory: http://www.keckobservatory.orgGravitational wave discovery: https://www.ligo.caltech.edu/news/ligo20170927Simulations of SMBH mergers: https://www.space.com/42017-merging-supermassive-black-holes-eerie-glow.htmlMilky Way and Andromeda are going to collide: https://www.nasa.gov/mission_pages/hubble/science/milky-way-collide.htmlAnd they will form … Milkdromeda! https://svs.gsfc.nasa.gov/30955Andromeda in the night sky: https://apod.nasa.gov/apod/ap061228.htmlIf only Andromeda was a bit brighter: http://i.imgur.com/EpuhHJa.png