Question

10. [3pt] A red giant star has a temperature of 4400 K and a luminosity of 11700 L⊙. How many times bigger is this star than the Sun?

11. [3pt] Match each of the characteristics listed below the appropriate object. Select M Main sequence stars, R Red gi- ants, or W White dwarfs

A) Found in the upper-right of the HR diagram. B) Very hot but very dim.
C) The hottest and most luminous stars.
D) The majority of stars in our galaxy.

E) The Sun, for example.
F) Not much larger in radius than Earth. G) very cool, but very luminous.

RWMMMWR

Answer 1