Links
Participate in science
- SciStarter - an index of science projects in which anyone can participate
- Galaxy Zoo - help to classify galaxies
- Planet Hunters - search for planets around other stars
- Zooniverse - more astronomy classification projects
- BOINC - volunteer your computer power for science
- theSkyNet - use your spare computing power to analyse radio astronomy data
General open resources
- Wikipedia
- Wikibooks
- open culture - a collection of the best free cultural & educational media on the web, also with lists of links to educational resources
- Scholarpedia - a peer-reviewed open-access encyclopedia written by scholars
Lectures online
Documentaries online
