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Physics 9 Online
OpenStudy (anonymous):

An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star?

OpenStudy (lasttccasey):

What are the following?

OpenStudy (anonymous):

the hotter the star the brighter it is

OpenStudy (stormfire1):

At the same distance, a hotter star will be brighter.

OpenStudy (anonymous):

the hotter star is brighter ,if both are at same temp then the bigger star is more brighter

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