On Type Ia supernovae from the collisions of two white dwarfs
On Type Ia supernovae from the collisions of two white dwarfs
Abstract We explore collisions between two white dwarfs as a pathway for making Type Ia supernovae (SNIa). White dwarf number densities in globular clusters allow 10–100, redshift ≲1 collisions per year, and observations by Chomiuk et al. of globular clusters in the nearby S0 galaxy NGC 7457 have detected what …