Why are stars different colors?: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

Hertzsprung-Russell diagram

See All Images →

Topics

Star Stellar classification spectral type The life cycle of a star Why do stars twinkle?Why are some stars brighter than others?What’s the difference between planets and stars?Quasar Sun Bellatrix Supernova Constellation Black hole