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Marc notices that when he looks at the stars at night, some appear to be brighter than others. Which three factors affect how bright a star appears to an observer on Earth?

Marc notices that when he looks at the stars at night, some appear to be brighter than others. Which three factors affect how bright a star appears to an observer on Earth?
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1 vote
Marc notices that when he looks at the stars at night, some appear to be brighter than others. Which three factors affect how bright a star appears to an observer on Earth?

User Alex Ivasyuv
by
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1 Answer

3 votes
-Its distance relative to the earth
-Its size
-its chemical makeup
User Pizzicato
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