Star A has a parallax angle that is 2 times bigger as star B. They both appear to be the same brightness, how does the luminosity of star A compare to the luminosity of star B?
Group of answer choices
4 times less luminous
same luminosity
2 times less luminous
4 times more luminous
1 answer
The luminosity of a star is directly related to its brightness. Since star A and star B appear to be the same brightness, we can conclude that they have the same luminosity. Thus, the correct answer is "same luminosity."
1 answer