Type Ia Supernovae Supernova Remnants Black Holes Neutron Stars Type 1a Supernova Implications Type Ia Supernova Observations Stellar Evolution Core-Collapse Supernovae Cassiopeia A SN 1987A Cosmic Radiation Mass Extinctions Remnants Superluminous Supernovae Crab Nebula Transients Distance of Supernovae Vela Supernova Remnant Cas A Supernova Research Odd Radio Circles Betelgeuse Type Iax Supernovae Type Iax Supernova Explosions White Dwarfs Detection Techniques Chemical Elements Ionization JWST Observations Supernova 1987a Red Supergiant Supernova Star Explosions Hydrogen-burning Supernova Star Collapse Type-II Supernovae Big Bang Double Supernova Double-Detonation Supernova Stellar Explosions Type II Supernova Cosmic Rays White dwarfs High-Redshift Supernovae Ancient Supernovae Detection Methods James Webb Space Telescope Type II Supernovae Supernova Events Gamma Rays Light Curves Star Evolution