What does the H-R diagram represent?
(1 point)
a star's size and distance from the Sun.
a star's static levels and its brightness.
a star's life span and its size.
a star's absolute magnitude and temperature.
(1 point)
a star's size and distance from the Sun.
a star's static levels and its brightness.
a star's life span and its size.
a star's absolute magnitude and temperature.