<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x640/54cabb4e85cc1_-_private_space_01_1210-xl.jpg>
<http://www.popularmechanics.com/space/g464/the-year-in-spaceflight-2010/?click=pp>