Section 5 - Stellar structure and interiors Flashcards
(6 cards)
1
Q
What is the equation for hydrostatic equilibrium?
A
dP/dr=-GMrρ/r2
2
Q
What is the mass of a shell?
A
dm=4πr2drρ(r)
3
Q
What is the equation for energy generation conservation in a star?
A
dLr/dr=4πr2ρ(r)ε
4
Q
What are the primary mechanics of energy flow in a star?
A
Radiation
Convection
5
Q
What is μ for a star?
A
The avg mass per particle in the mass of a hydrogen atom
6
Q
What is the condition for a gas to be degenerate?
A
The average thermal energy must be less than the Fermi energy
