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Sites similar to hiddencosmos.org

Hiddencosmos alternatives & similar sites

Lynx X-ray Observatory — 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
adelaideobservatory.org ↗	73 match 1 shared topics	The Adelaide Observatory	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
milroyobservatory.com ↗	73 match 1 shared topics	Milroy Observatory Home Page.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ballaterskies.com ↗	70 match 1 shared topics	BallaterSkies Observatory Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
acastropark.com ↗	68 match 1 shared topics	Moeller Observatory \| Inspiration Through Astronomy	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
frostydrew.com ↗	68 match 1 shared topics	Frosty Drew Observatory and Science Center	US~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cincinnatiobservatory.org ↗	68 match 1 shared topics	The Cincinnati Observatory - Birthplace of American Astronomy	en	space-and-astronomy	robotsllmsaihumans	email phone	none
alienobserver.co.uk ↗	67 match 1 shared topics	Alien observer	GB en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
clockwisecosmology.com ↗	66 match 1 shared topics	Clockwise Cosmology™ — Observational Sky Interpretation	en	space-and-astronomy WordPress WooCommerce	robots llmsaihumans	emailphone	full · 13
clearstarrynights.com ↗	65 match 1 shared topics	name="description" content="DSLR Astrophotography, Home Built Observatory, and Photograps of Deep Space Objects	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
robofocus.com ↗	65 match 1 shared topics	Robofocus – Manufacturer of Home-Dome and Pro-Dome Observatories	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
5observables.com ↗	65 match 1 shared topics	What are the Five Observables? \| Five Observables	en	space-and-astronomy Prismic	robotsllmsaihumans	emailphone	none
heliotime.org ↗	64 match 1 shared topics	Heliotime - Interactive Timeline for GOES X-Ray Data	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
robertjacobson.com ↗	62 match 1 shared topics	Robert Jacobson - Space Advocate	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
b2bs.co.uk ↗	62 match 1 shared topics	The Story Unfolds -2 planets and a coming war	GB en	space-and-astronomy	robotsllmsaihumans	emailphone	none
adventuresindeepspace.com ↗	62 match 1 shared topics	Adventures in Deep Space: Challenging Observing Projects for Amateur Astronomers	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3dsunfilm.com ↗	62 match 1 shared topics	3D Sun	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
bajastargazing.com ↗	62 match 1 shared topics	Baja Stargazing Tours \| Astronomy \| Los Cabos, BCS, Mexico	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
sublimeskies.com ↗	62 match 1 shared topics	Sublime Skies - The Latest Celestial Events and Astronomy News	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.