ch 11 Flashcards
1
Q
what is a rotation in which the equator of an object rotates at a different rate than the poles
A
differential rotation
2
Q
what are regions of strong magnetic fields on the photosphere?
A
sunspots
3
Q
What’s the average length of time between maximum sun spots?
A
11 years
4
Q
what does the sun shine steadily
A
gravitational equilibrium and energy balance
5
Q
the sun shines by converting mass into energy through
A
nuclear fusion
6
Q
what is a balance between the outward push of pressure and the inward pull of gravity
A
gravitational equilibrium
7
Q
nuclear fusion is equal to
A
gravity
8
Q
masses of different kinds of stars range
A
0.08 - 150
