Question

label the two axes and three types of stars on the hertzsprung - russell diagram.

Explanation:

The Hertzsprung - Russell diagram has the horizontal axis as color (related to temperature) and the vertical axis as absolute magnitude (luminosity). The three common types of stars plotted are main - sequence stars, giants, and white dwarfs.

Answer:

Horizontal axis: color
Vertical axis: absolute magnitude
Three types of stars: main sequence, giants, white dwarfs