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CSSTEAP — 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
crystalpalacespace.com ↗	60 match 1 shared topics	Crystal Palace Space: Exploring Astronomy, Space Tech & Cosmic Discoveries	US~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
csastro.org ↗	60 match 1 shared topics	Colorado Springs Astronomical Society – Education + Science + Star Parties + Star Viewings + Star Programs	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cscaobs.org ↗	60 match 1 shared topics	Home - Marmot Observatory	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cscec.io ↗	60 match 1 shared topics	CSCEC \| Equal access to space for humanity	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
csewi.org ↗	60 match 1 shared topics	The Space & Astronomy Blog	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
csgazers.org ↗	60 match 1 shared topics	Community Stargazers \| Discovering the Wonders of the Universe — Join Today	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
csparc.org ↗	60 match 1 shared topics	Cyprus Space Research and Innovation Centre (C-SpaRC)	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
csut.org ↗	60 match 1 shared topics	Centre Spatial Universitaire de Toulouse	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
ct1ete.net ↗	60 match 1 shared topics	CT1ETE Blog	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cuas.org ↗	60 match 1 shared topics	Champaign-Urbana Astronomical Society – Science, Education, Community, Fun	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cubesat-propulsion.com ↗	60 match 1 shared topics	CubeSat Propulsion Systems \| VACCO Industries	US~ en	space-and-astronomy WordPress Reaction Commerce	robotsllmsaihumans	emailphone	none
cubesats.org ↗	60 match 1 shared topics	Nanosats Database \| Constellations, companies, technologies and more	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cufos.org ↗	60 match 1 shared topics	Center for UFO Studies -	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cultural-astronomy.com ↗	60 match 1 shared topics	Cultural Astronomy - Home	en	space-and-astronomy Joomla	robotsllmsaihumans	emailphone	none
cumberlandastro.org ↗	60 match 1 shared topics	Homepage \| Cumberland Astro	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
curvymoonshop.com ↗	60 match 1 shared topics	CURVY MOON	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
cvafresno.org ↗	60 match 1 shared topics	Central Valley Astronomers	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cvas-utahskies.org ↗	60 match 1 shared topics	Home - Utah Skies	en	space-and-astronomy WordPress WooCommerce	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.