Earth Used to Have 19-Hour Days (and Pluto Has Dunes!)

According to a new model, days on Earth used to really fly by, and today Pluto has wind-swept dunes made of very weird sand. 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: Lazarus G, Sam Lutfi, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا 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: http://science.sciencemag.org/content/sci/360/6392/992.full.pdf http://www.latimes.com/science/sciencenow/la-sci-sn-pluto-methane-dunes-20180531-story.html#nws=mcnewsletter www.pnas.org/cgi/doi/10.1073/pnas.1717689115 https://www.eurekalert.org/pub_releases/2018-06/uow-ttm053118.php http://www.indiana.edu/~geol105/images/gaia_chapter_4/milankovitch.htm https://www.packtpub.com/big-data-and-business-intelligence/bayesian-analysis-python https://towardsdatascience.com/probability-concepts-explained-bayesian-inference-for-parameter-estimation-90e8930e5348 ------ Images: https://en.wikipedia.org/wiki/File:Earth_formation.jpg https://www.nasa.gov/image-feature/space-station-crew-sees-lots-of-clouds/ https://www.nasa.gov/image-feature/galileo-earth-and-moon http://www.eso.org/public/usa/videos/eso1436c/ https://commons.wikimedia.org/wiki/File:Nh-pluto-in-true-color_2x_JPEG-edit-frame.jpg https://en.wikipedia.org/wiki/File:Arbol_de_Piedra.jpg https://commons.wikimedia.org/wiki/File:Sahara_desert.jpg https://en.wikipedia.org/wiki/File:Pluto-01_Stern_03_Pluto_Color_TXT.jpg https://en.wikipedia.org/wiki/Sputnik_Planitia#/media/File:Mountainous_Shoreline_of_Sputnik_Planum_(PIA20198).png https://commons.wikimedia.org/wiki/File:Blue_hazes_over_backlit_Pluto.jpg https://commons.wikimedia.org/wiki/File:PIA19947-NH-Pluto-Norgay-Hillary-Mountains-20150714.jpg https://www.nasa.gov/image-feature/pluto-s-brilliant-heart https://www.istockphoto.com/vector/sun-rising-background-on-landscape-hill-and-tree-gm815511810-132059067