India, June 12 -- The Government of India has issued a release:
A detailed study of the evolution of the supernova SN 2023zcu, discovered in 2023 at the edge of the spiral galaxy NGC 2139, located approximately 90.7 million light-years away from Earth, can help estimate the distance of the local universe.
Supernovae (SNe) are one of the most violent explosions in the universe. Core-collapse supernovae (CCSNe) are one of these cosmic fireworks occurring when a massive star exhausts its nuclear fuel and can no longer support itself against the gravitational pull. This dramatic death can be so bright that it is visible in a distant galaxy. Supernovae are not just very bright, they are vital to the evolution of the cosmos because they act as ...