Frank Sinatra Supernova
An ‘exploding star’ has totally baffled astronomers by repeatedly going supernova (core material ejection) and not diminishing then dying. iPTF14hl exploded 5 times over 2 years. It’s the astronomical equivalent of a horror film adversary: a star that just wouldn’t stay dead. When most stars go supernova, they die in a single blast, but astronomers …