<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cb0b0da2700_-_battle-for-orbit-02-0313-smn.jpg>
<http://www.popularmechanics.com/space/rockets/a8803/the-race-to-cash-in-on-earth-orbit-15222825/>