Which properties can be plotted on the horizontal axis of an H-R diagram?
A) luminosity, apparent magnitude, and absolute magnitude
B) luminosity, color, and spectral class
C) temperature, color, and spectral class
D) temperature and luminosity
E) spectral class only

Question

Quizplus · Accepted Answer

The horizontal axis of an H-R diagram typically represents temperature, color, or spectral class, which are all related to the star's surface temperature.

Which Properties Can Be Plotted on the Horizontal Axis of an H-R