In this rather delayed episode, we say farewell to an old friend: the Arecibo Radio Telescope in Puerto Rico, tragically destroyed at the start of December 2020 after 57 years of solid service. Wiping a fond tear from her eye, Emily recalls the scientific highlights and cultural importance of this great telescope dish.Syzygy Merch! Get it at the store.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: @syzygypodYou might be interested in a new, sciencey podcast: Science, possibly — science-adjacent stories by Chris Stewart and James Lees.Things we talk about in this episode:Sample-return missionsVideo of Arecibo’s final moments — Nature#WhatAreciboMeansToMe on TwitterArecibo’s scientific legacyThe SETI InstituteThe Arecibo Message