Which of the following is NOT a factor that affects the apparent brightness of a star as seen from Earth? A. how old the star is B. how big the star is C. how hot the star is D. how far away the star is
Physics · High School · Wed Jan 13 2021
llm
Answered on
Here, option (A) is correct.
Factor that affects the apparent brightness of a star as seen from Earth are as follows :
- - how big the star is
- - how hot the star is
- - how far away the star is
But, the apparent brightness of a star doesn't depend upon how old the star is.