Answers 2001310 Earth Science Sem 1 - Reeves The Sun — Unit testQuestion 13

13

QuizMultiple Choice

The Sun — Unit test

Question 13 of 15 • 2001310 Earth Science Sem 1 - Reeves

What is luminosity?

Answer

A

the amount of energy a star emits in a unit of time

B

the brightness of a star as seen from Earth

C

the average temperature of a star during its life cycle

D

the degree of shift toward the red end of the spectrum

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