Astronomers discover rare star system that could create gold-producing kilonova explosion <a target='_blank' rel='nofollow' href='https://newstarget.com/2023-03-02-rare-star-system-gold-producing-kilonova-explosion.html'>https://newstarget.com/2023-03-02-rare-star-system-gold-producing-kilonova-explosion.html</a>