Index

Interstellar Clouds
Classes of Objects
Gas Giant Planets
Brown Dwarfs
Red Dwarfs
Sun-sized Stars
Large Stars
The Largest Stars
Impossible Stars
Star Clusters
Planetary Systems
Rocky Planets
An Endless Cycle

Frame from a movie from the University of Oregon's Astronomy HyperText Book

If all types of newly formed stars are arranged by temperature and size, they form the Main Sequence shown above.

The largest, hottest, brightest stars appear at the top left. The smallest, dimmest stars are on the bottom right. Sun-sized stars fall in the middle.