Astronomy & Space
390 sites
http://catawbasky.org/
The Catawba Valley Astronomy Club (CVAC) has been bringing amateur astronomy to North Carolina's Catawba Valley for 50 years, operating the Lucile Miller Observatory and hosting public stargazing events at parks, schools, and local venues. The site serves as the club's hub for event schedules, membership applications, officer listings, and clear sky charts for observers in the region.
http://planetquest.org/
PlanetQuest is a nonprofit citizen science project inviting the public to participate in real exoplanet detection research using distributed computing and a shared software platform called the Collaboratory. Visitors can download tools to search stellar light curves for transiting planets, contributing spare CPU cycles to a project affiliated with NASA's Kepler Mission.
http://astronomy.net/
Astronomy.Net is a comprehensive hub for amateur and professional astronomers alike, offering articles, forums, constellation guides, sky event calendars, and equipment classifieds all in one place. Built and maintained by John Huggins since 1994, the site covers everything from telescope optics and astrophotography to meteor showers and planetary conjunctions.
https://chinalakeastro.org/
The China Lake Astronomical Society (CLAS) is a community astronomy club based in Ridgecrest, California, taking advantage of some of the darkest skies in the United States near Death Valley. The site offers information on monthly meetings, star parties at their dark sky site on Brown Road, newsletters, and membership for skywatchers in the Indian Wells Valley.
https://fourmilab.ch/
Fourmilab is John Walker's legendary personal science and technology site, home to a vast collection of interactive tools, essays, and experiments spanning astronomy, physics, computing, and more. Notable features include real-time Earth and Moon viewers, historical documents, and decades of original technical writing that have made it a classic destination on the web.
http://abmedia.com/astro
Chris Cook's extensive astrophotography portfolio spans nearly four decades of celestial imaging, featuring deep sky objects, comets, eclipses, auroras, and stunning nightscape photography captured on both film and digital equipment. With NASA APOD features, astrophotography workshops, and a vast archive organized by technique and subject, this is a remarkable showcase of dedication to the craft.
http://www.seasky.org/
Sea and Sky is a dual-themed educational resource covering both ocean life and the universe, with sections on coral reef creatures, deep sea exploration, saltwater aquariums, constellations, and space exploration timelines. Visitors can browse image galleries, play free sea-themed games, read news headlines, and dive into hundreds of curated links covering marine biology and astronomy alike.
https://exameter.neocities.org/
A personal site titled '105.7 Light Years' on Neocities, offering desktop and mobile versions of its content with accompanying photos. The light-year themed title and structure suggest an astronomy or space-related focus, though the site is currently partially broken.
https://softkittypa.ws/
Lexi's personal homepage blends astrophotography, programming projects, and game corruption experiments into a vibrant, technically impressive old-web-style showcase. Visitors can browse her astrophotography gallery, explore open-source tools she built, and see wild ROM corruption screenshots from titles like Mario Kart Wii and Celeste.
http://astrometry.org/
Astrometry.org is an educational resource by Istituto Scientia dedicated to popularizing astrometry and celestial mechanics, two of astronomy's oldest classical branches. Visitors can explore topics like star positions, orbital mechanics, the SAO star catalog, and an online planetarium, with historical context tracing these sciences from ancient Greece through Galileo and Newton.