Astronomy & Space
396 sites
https://umbra.nascom.nasa.gov/eclipse/980226/text/filter-sources.html
Part of NASA Reference Publication 1383, this page provides a curated list of U.S. vendors selling mylar and glass solar filters safe for eclipse and solar viewing with or without a telescope. It includes contact details for well-known optics companies like Celestron, Meade, and Orion, making it a practical companion resource for amateur astronomers preparing for solar observation.
http://jgiesen.de/astro/english.htm
Created by J. Giesen, this rich astronomy resource features interactive Java applets for computing solar and lunar positions, planetary visibility, eclipses, sunrise/sunset tables, and much more. Standout features include a top-rated GeoAstro Applet Collection, detailed coverage of the Venus transits and Mars oppositions, and tutorials on astrophysics topics like stellar formation and the Saros cycle.
https://astronomy-links.net/MarsColonies.html
Clark M. Thomas presents a critical essay arguing against the viability and ethics of Mars colonization, countering popular arguments with Malthusian population theory and opportunity cost reasoning. The piece challenges billionaire-backed space colony fantasies by urging focus on Earth's existing ecological and humanitarian crises instead.
![start [NEKAAL]](/screenshots/37403.webp)
http://nekaal.org/doku.php
NEKAAL (Northeast Kansas Amateur Astronomers' League Inc.) is the official site for an astronomy club based in Northeast Kansas, home to the Farpoint Observatory. Visitors can find upcoming public astronomy nights, general meeting schedules, astro images, observer archives, and links to educational resources for amateur stargazers.
http://astrosurf.com/cidadao
António Cidadão's dedicated astronomy site showcases years of lunar and planetary observation from Carcavelos, Portugal, featuring CCD imaging of the Moon, Mars, Jupiter, and Saturn captured with a 14-inch SCT telescope. The site includes detailed imaging guides covering super-resolution techniques, tri-colour imaging, limb darkening correction, time-lapse animations, and a Moon-Light Atlas reference, making it a rich resource for amateur planetary imagers.
https://moonblink.info/Eclipse
Hermit Eclipse, created by Ian Cameron Smith, is a comprehensive reference site dedicated to solar and lunar eclipses, featuring searchable catalogs, prediction data, observing guides, and eclipse science explanations. Built on the legendary data of Fred Espenak (NASA's Mr. Eclipse), it covers upcoming eclipses worldwide with regional visibility guides, eye safety tips, and a full historical eclipse database.
https://tas-online.org/
The Tacoma Astronomical Society is a non-profit astronomy club based in the Tacoma region, offering public observing nights, general meetings, outreach events for local schools, and an active student group for preschool through high school age participants. The site serves as a hub for club news, event calendars, a photo gallery featuring member astrophotography, and resources for amateur astronomers of all experience levels.
https://asgh.org/legacy/links.htm
The Astronomical Society of Greenwich Hills (ASGH) maintains this curated links page connecting amateur astronomers to periodicals, regional astronomy clubs, observatories, equipment suppliers, and NASA educational resources. A thorough reference hub for stargazers in Connecticut and New England, it lists dozens of affiliated clubs and organizations alongside tools for both hobbyists and kids.
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://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.