<http://schema.org/about>
"Mysterious stars that incite their stellar companions to explode in spectacular supernovas have just been revealed \u2014 these culprits can be bloated red giants,"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/in-supernova-explosions-red-giants-are-the-gasoline>