Which of the following relationships is most likely to be classified as an example of companionate love?
a.
a whirlwind affair
b.
a newlywed couple
c.
a couple married 30 years
d.
a pair of long-term friends

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?