Width of Main Sequence – and Stellar Aging
Orion Nebula: A Star-Forming Region
Protoplanetary Disks in the Orion Nebula
Herbig-Haro objects: The angular momentum problem
Motion of Herbig-Haro 34 in Orion
Chapter 10 – The Deaths of Stars
HR Motion for other Mass Stars
Expected Evolution of the HR Diagram for a Cluster
Tests of Stellar Evolution using the HR Diagram
Complications in Stellar Evolution
Effect of Degenerate Electron Pressure
Degenerate Pressure Can End Fusion
Complicated P-N in a Binary System
Complications in Binary Systems
Is a star stable against catastrophic collapse?
Chandrasekhar Limit for White Dwarfs
The Crab Nebula – Supernova from 1050 AD
What happens to the collapsing core?