<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb0be8b4582_-_pm-starship-05-0413-lgn.jpg>
<http://www.popularmechanics.com/space/deep-space/g1129/how-to-build-a-starship/>