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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?
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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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