HR diagram for our sources. The filled circles show the positions of
Blank H-R Diagram. Following hertzsprung and russell, let us plot the temperature (or spectral class) of a. By far the most prominent.
By far the most prominent. Following hertzsprung and russell, let us plot the temperature (or spectral class) of a.
Following hertzsprung and russell, let us plot the temperature (or spectral class) of a. Following hertzsprung and russell, let us plot the temperature (or spectral class) of a. By far the most prominent.
