If you spend years alone in space with another person, only to drive around Mars, did you really travel to Mars? Our Sources: http://dft.ba/-4F8R More stories at: http://www.sourcefed.com or check out: http://youtube.com/sourcefed for our 5 daily videos or anything else we've ever done. Follow us on Twitter: http://twitter.com/sourcefed Follow us on Tumblr: http://sourcefed.tumblr.com/ Like us on Facebook: http://on.fb.me/xQDV8M Philly D OFFICIAL APP for instant updates: http://bit.ly/aIyY0w Order your SourceFed Posters here: http://bit.ly/SourceFedPosters Hosts: @elliottcmorgan @stevezaragoza Music: @ronaldjenkees @Hagemeister