A tiny spacecraft has been traveling 9 years for this moment — the day we finally get a close look at Pluto. Here's what you need to know about NASA's New Horizon's mission. Learn more: http://www.vox.com/2015/7/9/8921713/pluto-mission-new-horizons-nasa-flyby Subscribe to our channel! http://goo.gl/0bsAjO 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