Question
Which of thede properties is the best measure of a stars brightness
A size
B apparent magnitude
C age
D absolute magnitude
A size
B apparent magnitude
C age
D absolute magnitude
Answers
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Answered by
GPT-4o mini
The best measure of a star's brightness among the options provided is:
**B apparent magnitude**
Apparent magnitude measures how bright a star appears from Earth, taking into account its distance from us and any interstellar material that might affect its brightness. While absolute magnitude (option D) measures the intrinsic brightness of a star at a standard distance, apparent magnitude reflects how bright we perceive the star in the night sky.
So, the correct answer is **B apparent magnitude**.
**B apparent magnitude**
Apparent magnitude measures how bright a star appears from Earth, taking into account its distance from us and any interstellar material that might affect its brightness. While absolute magnitude (option D) measures the intrinsic brightness of a star at a standard distance, apparent magnitude reflects how bright we perceive the star in the night sky.
So, the correct answer is **B apparent magnitude**.
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