Section 0: Overview Flashcards
(3 cards)
1
Q
What is hydrostatic equilibrium?
A
A balance between gravity and a pressure gradient
2
Q
What is the equation for hydrostatic equilibrium?
A
dP/dr=-GMrρ(r)/r2
3
Q
What is the definition of a star?
A
A body bound by self gravity
Radiates energy from nuclear processes
Nuclear fusion of hydrogen atoms
