<http://schema.org/description>
"Every day in space is like finals week, only the consequences of failing are substantially worse. So how far might we be willing to go to conquer the great unknown? Would you make a good candidate?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/how-to-build-better-space-explorer2.htm>