Come see us live at the Northern Podcast Festival in Hull, 16 MayHelp 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 talked about in this episode:Come to Syzygy live, 16 May, at the Northern Podcast FestivalSupermoonThe Super Moons of 2020Moons by monthLunar monthsThe Moon Illusion, video by ASAP scienceThe Ponzo IllusionThe Parthenon’s visual tricksThe Ebbinghaus Illusion