Galactic Superwinds From Supernovae and Newly-Forming Stars Shape a Galaxy's Early Development

Astronomers have long believed that supernovae and stellar winds drive outflows from galaxies known as superwinds. New research suggests that they may instead be due to a ring of nuclear fire. Every galaxy is constantly buzzing with activity. Stars die in fantastic supernova explosions, black holes emit powerful jets of radiation, and even ordinary stars …