<http://schema.org/about>
"The icy Saturn moon Enceladus harbors a big ocean of liquid water beneath an icy crust that may be capable of supporting life as we know it."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/icy-moon-of-saturn-has-hidden-ocean-that-could-support-life>