<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb247b67920_-_new-space-age-02-1213-de.jpg>
<http://www.popularmechanics.com/space/rockets/g1388/the-7-ships-of-the-new-space-age/>