The science buried under the pseudoscience. Subscribe to our channel! http://goo.gl/0bsAjO Sources: Mars photography by Tunç Tezel: http://www.twanight.org/newtwan/galleries.asp?Sort=Photographer&Value=Tunc%20Tezel&page=1 Mars visualization from Nooch 86: https://www.youtube.com/watch?v=TK9ozJYELR8 Solar system orbits via Michael Van Daniker, Andrew Lund, and the Astronomy Workshop of Douglas Hamilton at U. Maryland http://janus.astro.umd.edu/SolarSystems/ Ptolemaic system vsualizer via Nebraka Astronomy Applet Project: http://astro.unl.edu/naap/ssm/animations/ptolemaic.html Retrograde motion visualizer via MHeducation: http://highered.mheducation.com/olcweb/cgi/pluginpop.cgi?it=swf::800::600::/sites/dl/free/0072482621/78780/Retro_Nav.swf::Retrograde%20Motion Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com/ to get up to speed on everything from Kurdistan to the Kim Kardashian app. Check out our full video catalog: http://goo.gl/IZONyE Follow Vox on Twitter: http://goo.gl/XFrZ5H Or on Facebook: http://goo.gl/U2g06o