Interactive H–R Diagram
Explore representative stars by temperature and luminosity and connect position to radius and stellar class.
Representative starsSun
Temperature5,772 K
Luminosity1 L☉
Regionmain
Interactive model — simplified for intuition, not precision ephemerides.
Concepts in this lab
temperatureluminositymain sequencegiantswhite dwarfs
Connected topic
Open lessonHertzsprung–Russell diagram
A complete introduction to Hertzsprung–Russell diagram within Stellar properties, linking observations, physical models, history and modern applications.