Rocket and Space Technology
- Offers a comprehensive introduction to the basics of most of space technology by a space enthusiast.
- http://www.braeunig.us/space/

Wright, Michael P.
- Collection of autographs from all astronauts. Includes space memorabilia from flights.
- http://www.mpwright.com/

Viehböck, Franz
- Offering biography, images by an Austrian astronaut that participated in the Austro Mir mission in 1991.
- http://www.franzviehboeck.com/index_e.html

Ulivi, Paolo
- Provides extensive material on planetary exploration history world wide, by an Italian space history enthusiast.
- http://utenti.lycos.it/paoloulivi/

Leubands, Frank
- Offers collection of personal photos of space meetings and sites.
- http://www.leuband.de/index_en.htm

Science and Space
- Web log offering various articles and links on space exploration.
- http://ko-science.motime.com/

Musgrave, Story
- Biography, interviews, philosophy, poetry and photos by a Shuttle astronaut.
- http://www.spacestory.com/

Inside KSC
- Offers overview of the activities at the Kennedy Space Center, Florida.
- http://www.insideksc.com/

Satellite Database
- Features a space enthusiast's downloadable directory of launched objects.
- http://www.rolfisoft.de

Space Tourism
- Provides publications and contacts of a researcher.
- http://www.robert-goehlich.de/

Sven's Space Place
- Provides a resource for space history, radio tracking and technology by a space enthusiast. Frequently updated.
- http://www.svengrahn.pp.se/

futureSPACE
- An astronomy student's vision of space exploration, and a comprehensive collection of related material.
- http://www.futurespace.de/

Balettie, Roger
- Former NASA Flight Dynamics Officer providing memoirs on mission control, manned space missions, essays, interviews, and space directory.
- http://space.balettie.com/

Gunter's Space Page
- Information on rockets, launch vehicles, missiles, satellites, rocket engines, astronauts.
- http://www.skyrocket.de/space

Brian's Space Hotlist
- Provides a comprehensive directory for a wide spectrum of space issues, well organized by topics.
- http://www.ssl.umd.edu/space/

James Oberg's Pioneering Space
- Provides article collection and research on the Russian and US space programs, Mir and the International Space Station, by an author of numerous books in the space domain.
- http://jamesoberg.com

Frank Knight's Space Links
- Provides a large space directory by a space enthusiast.
- http://users.adelphia.net/~franknite/spaclink.htm

Lindsey, Clark S.
- Provides comprehensive directory with separate sections on amsats, satellite observing, collecting, and space tourism. Frequently updated.
- http://www.hobbyspace.com/