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 Giant Magellan TelescopeA good video about the GMT from National GeographicXKCD on telescope namesThe plain old Magellan TelescopeSALT, the South African Large TelescopeThe Very Large TelescopeThe European Extremely Large TelescopeThe Overwhelmingly Large Telescope (now cancelled)The Thirty Metre TelescopeMaking Magellan Mirrors (video)Description of the mirror process (video)The GMT Science BookActive Optics and Adaptive Optics