Question

question 28
3 pts
the measure of a stars brightness is called its ____.
magnitude
parallax
intensity
color index

Explanation:

• Magnitude is a measure of a star's brightness.
• Parallax is used to measure distances to nearby stars.
• Intensity is a general term for the amount of energy per unit area but not the specific term for a star's brightness measure.
• Color index relates to a star's color, not its brightness.

Answer:

magnitude