3
Basic Properties of the Sun
•
Radius: R
= 6.96
´
10
5
km
(
q
=diameter/distance)
•
Mass: M = 1.99
´
10
30
kg
•
•
•
Density (
r
) of water = 1 gm/cm
3
Average
density of Sun:
r
= 1.41 gm/cm
3
Will be higher in center and (much) lower on outside