“There’s a Type 1a Supernova in the Making, Just 150 Light-Years Away”

A Type 1a supernova represents one of the most powerful and consistent explosions in our universe. These spectacular events occur when a white dwarf star – the dense, carbon-rich core left behind after a medium-sized star exhausts its nuclear fuel – reaches a critical mass threshold known as the Chandrasekhar limit (about 1.4 times the mass of our Sun.) What makes Type 1a supernovae particularly valuable is their remarkably consistent peak brightness, allowing them to serve as “standard candles” for measuring distances across the Universe.








