What's that you spy on the horizon, just out of sight? If you have a telescope handy, you can hone your gaze on...more telescopes! From pocket spyglasses to Extremely Large (a real telescope name), join us and special guest Julian Huguet as we set our sights on the far-reaching world of these incredible devices. How we wonder what they are...

SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces!

Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!