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 Hitchhiker’s Guide to the Galaxy (Amazon affiliate link)The Hitchhiker’s Guide Wiki42, the Answer to the Ultimate Question of Life, the Universe, and EverythingFermi ProblemsThe Drake EquationCarl SaganSETIJill TarterThe Arecibo TelescopeThe Arecibo MessageThe University of York’s Astrocampus