One of the most useful and powerful plots in astrophysics is the Hertzsprung-
Russell diagram (hereafter called the
The Hertzsprung-Russell diagram (
Find stars in the Sloan Digital Sky Survey's database of 13 million objects. Follow in the footsteps of famous astronomers as you learn how stars live and die.
Size Comparison. a.
Once you know the luminosity and temperature (or color) of a star, you can plot
the star as a point on the
To make an
These diagrams, called the Hertzsprung-Russell or