Physics 368: Space Physics

The Exploration of the Earth's Magnetosphere -- An online Space Physics text - conceptually oriented with little math.

Oulu Space Physics Textbook -- Another online Space Physics text.

The Sun and Stellar Structure conceptual introduction to the Sun from Nick Strobel's very nice Astronomy Notes site.

Sun Course An almost complete course on the Sun, including both conceptual and mathematical presentations of a variety of topics.

The NRL Plasma Formulary -- A wonderfully reference containing equations, formulas, constants, and parameters from all branches of physics, though concentrating on plasmas.

Physics of the aurora -- fancy interactive materials about the magnetosphere and aurora from UCAR (local copy).

SpaceWeather.com -- NASA site providing news and information about meteor showers, solar flares, auroras, and near-Earth asteroids

SPACE.com -- Commerical site with information about space

Sun-Earth Connection Division -- NASA focussing on the ways that the Sun affects the Earth

Mission to Geospace -- general NASA Space Physics Site

American Geophysical Union (AGU) -- the professional society for geophysicists, including space physicists

Auroral Activity Observation Network -- tracks observations of aurora from the Earth by amateurs and professionals

Aurora Watching in Minnesota -- University of Minnesota site - I think its unmaintained

The Aurora: Information and Images

The Aurora Page

International Solar-Terrestrial Physics (ISTP) -- links to several major Space Physics satellites

Space Physics at the National Space Science Data Center -- access to satellite data

The Solar and Heliospheric Observatory (SOHO) -- NASA/ESA spacecraft that makes wonderful observations of the Sun

Polar Spacecraft -- NASA spacecraft which observes the Earth's Magnetosphere