'This measure of star brightness is symbolized with a small m if it's apparent, a big M if it's absolute'
magnitude
THE STARS: This measure of star brightness is symbolized with a small m if its apparent, a big M if its absolute
This measure of star brightness is symbolized with a small m if it's apparent, a big M if it's absolute
This measure of star brightness is symbolized with a small m if it's apparent, a big M if it's absolute
THE STARS
magnitude
THE STARS