In the Hertzsprung-Russell (
R. blue giants. Supergiants (I). Instability Strip. Dwarfs (V). red giants. Giants (III).
The most surprising thing about the
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.
These diagrams, called the Hertzsprung-Russell or
A collection of stars visible from Earth can be arranged and classified based on their color, temperature, luminosity, radius, and mass. This can be done using ...
One of the most useful and powerful plots in astrophysics is the Hertzsprung-
Russell diagram (hereafter called the
The Hertzsprung-Russell diagram (