Stars are self-luminous gaseous spheroidal celestial bodies of great mass which produce energy by means of nuclear fusion. Listed sites may include sky maps and constellations, types of stars including giants and dwarfs, and related subjects such as pulsars and quasars.
Names
How stars get their names, and how they don't.
More »
Stellar Evolution
Evolution of stars, stages include: gas clouds, protostars, stages of burning hydrogen, helium, etc., white and brown dwarfs, red giants, supernovae, neutron stars, black holes.
More »
Variable Stars
Variable Stars are stars that change brightness. Their brightness can change from just a fraction (not even noticeable to the naked eye) up to 20 magnitudes.
More »