<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb1b0a66f7f_-_ladee-launch-02-0913-lgn.jpg>
<http://www.popularmechanics.com/space/moon-mars/g1294/behind-the-scenes-at-nasas-wallops-island-flight-facility/>