While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do they do that? Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, 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 Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.ast.cam.ac.uk/public/ask/3088 www.noao.edu/staff/csalyk/AST101/presentations/SolarSystemFormation.pdf theconversation.com/pluto-and-its-collision-course-place-in-our-solar-system-43404 www.astronomy.com/news/2013/11/astronomers-establish-the-strength-of-high-inclination-asteroids arxiv.org/pdf/1501.06204.pdf iopscience.iop.org/article/10.1086/320391/pdf www.scientificamerican.com/article/experts-where-is-the-oort-cloud/ nerdfighteria.info/v/ZJscxTyI__s/ ------ Images: images.nasa.gov/details-PIA11800.html svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10635 commons.wikimedia.org/wiki/File:Orion_Nebula_with_proplyd_highlights_(captured_by_the_Hubble_Space_Telescope).jpg en.wikipedia.org/wiki/File:Plutoorbit1.5sideview.gif en.wikipedia.org/wiki/Halley%27s_Comet#/media/File:Halley%27s_Comet_animation.gif www.thinkstockphotos.com/image/stock-illustration-planets-of-the-solar-system/525563143