The first observation of a collision between neutron stars, detected in August 2017, created gravitational waves, light and heavy elements like gold and platinum. But astronomers have realized they also witnessed a kilanova, the kind of explosion that creates gold and platinum, the year before as well.
원문출처 : https://www.cnn.com/2019/08/27/world/kilanova-gold-2016-scn-trnd/index.html
원문출처 : https://www.cnn.com/2019/08/27/world/kilanova-gold-2016-scn-trnd/index.html