Astr 221 November 14, 2003: Stellar Evolution  

Chandresekhar Limit

Question: What might happen close to the Limit?

HR Diagram

Question: Would life have been able to develop?

Stellar Evolution

Red Giants and SubGiant Branch

Observed Color-Magnitude

Question: What will the HR diagrams look like?

Color Magnitude diagram of galactic clusters and globular clusters.

What Causes the Onset of Shell burning?

Massive stars-later evolution

Temps for Nuclear Burning and Exhaustion times

Red Giant region