<http://schema.org/about>
"The shock wave from an exploding star likely helped trigger the formation of our solar system, according to a new 3D computer model, researchers say."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/supernova-may-have-triggered-formation-of-our-solar-system>