Eduardo observes the stars through his telescope. He states that the star Regulus is brighter (apparent magnitude) than the star Rigel. However, Rigel has a greater absolute magnitude than Regulus. What can explain Eduardo’s observation?
Select one or more:
a. Regulus is a hotter star than Rigel.
b. Rigel is a hotter star than Regulus.
c. Rigel is much closer to Earth than Regulus.
d. Regulus is much closer to Earth than Rigel.
