Review Questions for Lecture 12
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Constellation and Sky Lore
Perseus, Algol
Review Questions from the Text
p. 475, 1-10
Review Terms
Alpha Particle
Triple Alpha Process
Assymptotic Branch
Horizontal Branch
Subgiant Branch
Red Giant Branch
Helium Flash
Helium Shell Burning
Hydrogen Shell Burning
Review Concepts
What are the differences between a one-solar mass main sequences
star that is one million years old and one which is 5 Billion years
old?
Why do stars run out of fuel? Why doesn't material from
the outer regions of the star circulate into the stars center?
What happens to a stars core when it runs out of hydrogen in its core?
What happens to the stars luminosity and surface temperature?
Why does helium burning begin? What conditions cause helium core
burning to start?
What is degenerate matter?
How does this property lead to the helium flash?
Why does helium shell burning begin?
Draw an HR diagram. Diagram the evolution of a one-solar
mass star from the main sequence to the assymptotic giant branch.