The best measure of a star's brightness from the options given is apparent magnitude. Apparent magnitude refers to how bright a star appears from Earth, while absolute magnitude measures a star's intrinsic brightness at a standard distance (10 parsecs). Size and age do not directly measure a star's brightness.
Which of these properties is the best measure of a star's brightness? (1 point)
• absolute magnitude
• size
•age
•apparent magnitude
1 answer