1. Artificial Gravity Published papers and software for artificial-gravity habitat design, plus links to other relevant sites. visit site
2. Long Island's Oldest Public Observatory The Custer Institute and Observatory is Long Island's oldest public observatory (est. 1927) with the darkest skies on the island. It includes a 22' d... visit site
3. Astronomy Area DIF Webhome of Astronomy Area DIF-US at the University of Sonora, Hermosillo, Sonora, Mexico. Strong work in Solar Astronomy and Education. @stro tv, the ... visit site
5. Dr. Gerard van Belle homepage Homepage for Dr. Gerard van Belle, a researcher at the Michelson Science Center at Caltech. Dr. van Belle specializes in the direct measurement in th... visit site
6. Space Architect Official website of the AeroSpace Architecture Subcommittee, American Institute of Aeronautics and Astronautics, comprising architects and associated ... visit site