Usefull links

 

Stars:

The Nine Planets

Notable Nearby Stars

Portraits of Stars and their Constellations

 

Learning:

Sci.Astro FAQ T. by Joseph W. Lazio

Lectures - Astro 124 Introduction to Stars and Galaxies by John F. Hawley

Lectures - Astro 162 Introduction to Stellar, Galactic, & Extragalactic by Prof. Richard Pogge

Astronomy notes

Bad astronomy

 

Cosmology:

Cambridge Cosmology

Cosmology FAQ

 

Software:

Star Calc

Sky 3D

H-R Calc for Windows