The Weird Optical Illusion that Changes the Moon's Size

The full moon might seem bigger on the horizon than when it's higher up, but when does it actually take up more space in the sky? Hosted by: Reid Reimers For special, curated artifacts of this universe, check out https://scishowfinds.com/ ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.vox.com/2015/5/11/8584779/moon-illusion https://www.sciencedirect.com/science/article/pii/0166223692903448?via%3Dihub https://news.nationalgeographic.com/2016/12/moon-illusion-explained-horizon-size-supermoon-space-science/ https://lco.global/spacebook/using-angles-describe-positions-and-apparent-sizes-objects/ http://homepages.wmich.edu/~korista/moon-illus.html Images: https://www.istockphoto.com/photo/super-moonset-over-seven-devils-mountains-gm902904950-249036292 https://commons.wikimedia.org/wiki/File:MoonIll_DOME_400.jpg https://commons.wikimedia.org/wiki/File:Moon_size_illusion.png https://www.istockphoto.com/photo/full-moon-over-the-alps-gm636558244-112994241 https://commons.wikimedia.org/wiki/File:Mond-vergleich.svg https://commons.wikimedia.org/wiki/File:MoonIll_Fig_3_750.jpg https://www.istockphoto.com/photo/morning-sunrise-and-the-moon-over-mountain-hill-gm488957440-74455723