<http://schema.org/description>
"A spaceship with a solar 'sail' the size of Texas has been proposed as one model for humanity to explore the stars.\r\n\r\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.co.uk/2013/03/13/nasa-advanced-concepts-of-inter-stellar-craft_n_2866188.html?ir=Technology>