Space exploration is cool, but it’s also expensive. So why should we keep throwing all this money into orbit? Subscribe http://bit.ly/1AWgeM7 Twitter https://twitter.com/HowStuffWorks Facebook https://www.facebook.com/HowStuffWorks Google+ https://plus.google.com/+howstuffworks Website http://www.howstuffworks.com Watch More https://www.youtube.com/HowStuffWorks Shot on location at Midtown Bowl in Atlanta, GA! Music Attribution: "Venus" by Jahzzar Original article: http://science.howstuff