<http://schema.org/alternativeHeadline>
"Cassini has been circling around Saturn since 2004 and is only now getting a good look at Titan's northern pole as ice clouds fade away."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/nasa-spies-amazing-views-of-lakes-on-saturns-moon-titan>