Astronomy & Space
396 sites
https://ciechanow.ski/moon
Bartosz Ciechanowski's deep-dive interactive article on the Moon covers everything from its orbital mechanics and phases to tides, eclipses, craters, and gravitational effects, all brought to life with stunning real-time 3D simulations and draggable visualizations. One of the most richly illustrated and technically impressive science explainers on the web, it invites readers to genuinely experience lunar concepts rather than just read about them.
https://heavens-above.com/?Lat=35.60
Heavens-Above, developed by Chris Peat, provides real-time satellite tracking and customized astronomical predictions based on your geographic location, including ISS passes, Starlink visibility, and deep space mission data. The site also offers interactive sky charts, solar eclipse information, comet and asteroid tracking, and a full satellite database spanning dozens of spacecraft.
https://skyhound.com/sh/dso_guide.html
Skyhound's Guide to Deep Sky Objects is a comprehensive reference covering every major category of deep sky objects, from open star clusters and globular clusters to quasars and gravitational lenses. Each section explains what the objects are, how they appear through a telescope, and highlights notable examples like the Veil Nebula, Einstein's Cross, and the Pleiades.
https://skymarvels.com/
SkyMarvels is an astronomy education site that guides visitors through the night sky and solar system using interactive animations, videos, and the free 3-D simulation software Celestia. Covering everything from individual planets and moons to deep-sky objects and the scale of the cosmos, the site offers a genuinely immersive experience suitable for beginners and enthusiasts alike.
http://crystalinks.com/precession.html
Crystalinks explores the precession of the equinoxes and the Age of Aquarius, weaving together astronomy, ancient civilizations, and esoteric symbolism into a single reference page. Visitors will find discussions of the North Pole Star Thuban, the Great Sphinx, Draco constellation, Milankovitch cycles, and the significance of sidereal years across ancient cultures.
http://aoas.org/
AOAS (Amateur Observers' Astronomical Society) is a club website for astronomy enthusiasts, likely featuring meeting information, observing events, and resources for stargazers. The domain and structure suggest a regional astronomy club serving members interested in telescopes, sky-watching, and community observing sessions.
http://pretoria-astronomy.co.za/
The Pretoria Centre of the Astronomical Society of Southern Africa serves both amateur and professional astronomers interested in the unique southern hemisphere skies, offering membership, newsletters, observing events, and deep-sky imaging resources. Visitors can find comet reports, lunar eclipse photography, nebula images, telescope-making tips, and guides to the ASSA 100 deep-sky objects list.
http://uvaa.org/
The Utah Valley Astronomy Association (UVAA) is an informal stargazing club based in Utah Valley, founded in the early 1990s by Rich Tenney and maintained online by Paul Witte, offering a community for observational astronomy enthusiasts with no dues or obligations. The site preserves the club's history and hosts a notable Binocular Astronomy Resource Page, along with links to star parties, a member gallery, and connections to other Utah astronomy societies.
https://sostrata.neocities.org/sostratapersonal
Elia Rowan's personal site is a rich mix of worldbuilding and space enthusiasm, featuring original fictional universes, a Kerbal Space Program journal, and a playful page about Venus alongside creative writing projects. The site has a distinctly old-web feel with hundreds of collected blinkies, stamps, and web badges alongside deep speculative content about the structure of imagined cosmologies.
https://www.was.org.nz/useful-links
The Wellington Astronomical Society maintains this curated links page connecting visitors to astronomy resources across New Zealand and beyond, from national societies to educational tools for children. Organized into regional and international sections, it serves as a handy gateway to observatories, sky guides, STEM activities, and fellow astronomy clubs throughout New Zealand.