Possible “superkilonova” exploded not once but twice
Pasadena CA (SPX) Dec 17, 2025
When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the universe with heavy elements such as carbon and iron. Another type of explosion – the kilonova – occurs when a pair of dense dead stars, called neutron stars, smash together, forging even heavier elements such as gold and uranium. Such heavy elements are among the basic bui
Published by SpaceDaily on 12/22/2025
