<https://www.popsci.com/science/article/2013-07/colliding-dead-stars-created-earths-gold/#webpage>
<http://schema.org/datePublished>
"2013-07-18T21:30:00+00:00"^^<http://schema.org/Date>
<https://www.popsci.com/science/article/2013-07/colliding-dead-stars-created-earths-gold/>