Question: What does the trend tell us?
High Mass Evolutionary tracks
Stellar Pulsation
Cepheid variables
take a star, and smush it all up...
Instability strip in H-R Diagrams
When the stabilizing force doesn't work
brightness vs time diagrams
Supernovae
Supernovae Type II
What causes the enormous light output?
Bolometric light curve
finding the half lifes..
So what happens is...
Nucleosynthesis in supernovae
What remains?
Question: What are some possible explanations?
