Simulations reveal ‘unprecedented details’ of a star’s evolutionary phase
Left: Structure evolution diagram of the 20 M⊙ 1D mesa input stellar model as a function of the time left until the predicted collapse of the star (in years, log scale). In blue the convective zones, and in green the CBM zones. The red arrow indicates the neon-burning shell the 3D simulations were started from. Top right corner is a zoom-in on the neon-burning shell.