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Backbearing. Astronavigation Resources. — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
absurdrealities.com ↗	67 match 1 shared topics	Rocket resources	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
4astronomy.com ↗	67 match 1 shared topics	4Astronomy -- Custom Search for Astronomy Resources, Tools, and News	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ytini.com ↗	66 match 1 shared topics	Houdini for Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
acastropark.com ↗	65 match 1 shared topics	Moeller Observatory \| Inspiration Through Astronomy	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
christopher-doll.com ↗	65 match 1 shared topics	Space Art by Christopher Doll – Astronomy & Science Fiction Art	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
futureastronaut.com ↗	65 match 1 shared topics	Future Astronaut - Explore Space From Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
2funnyastronauts.com ↗	65 match 1 shared topics	2 Funny Astronauts \| 2 Funny Astronauts	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
chicagoastronomer.com ↗	64 match 1 shared topics	Home - Chicago Astronomer	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cineforge.net ↗	64 match 1 shared topics	Space Art, Astronomical Art, Advanced Concept, 3D Animation, Film of B.E.Johnson	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cineforge.org ↗	64 match 1 shared topics	Space Art, Astronomical Art, Advanced Concept, 3D Animation, Film of B.E.Johnson	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
highflightfoundation.org ↗	64 match 1 shared topics	High Flight Foundation - The Legacy of Astronaut Col. James B. Irwin	US~ en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
abubakryagob.com ↗	64 match 1 shared topics	Abubakr Ibrahim \| Astrophysicist & Researcher	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
chieflandastro.com ↗	64 match 1 shared topics	Home - Chiefland Astronomy	en	space-and-astronomy Weebly WooCommerce	robotsllmsaihumans	emailphone	none
ianridpath.com ↗	64 match 1 shared topics	Ian Ridpath: astronomy writer, broadcaster, lecturer	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
abshaw.com ↗	64 match 1 shared topics	Astronauts \| mysite	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
christian-ginski.com ↗	64 match 1 shared topics	Christian Ginski - Astronomer	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
helfertastro.com ↗	64 match 1 shared topics	Helfert Astrophotography	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
eomoocs.org ↗	64 match 1 shared topics	Earth Observation MOOCs	en	space-and-astronomy	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.