<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb1c8780231_-_weirdspace-07-0913-de.jpg>
<http://www.popularmechanics.com/space/rockets/g1304/10-weird-stuff-weve-sent-to-space/>