<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/320x240/54cfd4856e3e7_-_weird-exo-planets-06-0813-de.jpg>
<http://www.popularmechanics.com/space/deep-space/g1265/space-oddities-8-of-the-strangest-exoplanets/>