Explore seven major types of stars — from tiny red dwarfs to massive blue supergiants — and learn their defining traits, lifecycles, sizes, temperatures, and common examples. This hub summarizes key characteristics and links to detailed posts for readers who want a quick comparison and deeper study.
Explore a curated list of the 25 Coolest Stars — from nearby brown dwarfs and L/T/Y-class objects to ultracool M-dwarfs. Each entry lists temperature (K), spectral type, and distance (ly), letting amateur astronomers and science readers compare the coldest stellar objects and understand why they rank among the coldest known.
