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Chemistry, 27.10.2020 15:50 Jenniferlam12

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.

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