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HEIV — 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
explorescu.org ↗	60 match 2 shared topics	Scientific Coalition for UAP Studies	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
fotuva.org ↗	60 match 2 shared topics	Friends of Tuva	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
eweb4.com ↗	60 match 2 shared topics	Homepage - Eweb4	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
donnashirley.com ↗	60 match 2 shared topics	Managing Creativity-Donna Shirley	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
earthspaceairprize.org ↗	60 match 2 shared topics	NASA Earth & Space Air Prize	en	science	robotsllmsaihumans	emailphone	none
earthlights.org ↗	60 match 2 shared topics	Earthlights: International Earthlight Alliance	en	science	robotsllmsaihumans	emailphone	none
earthtosky.org ↗	60 match 2 shared topics	Earth to Sky - Home	en	space-and-astronomy Joomla	robotsllmsaihumans	emailphone	none
earthwithoutmoon.org ↗	60 match 2 shared topics	Earth Without Moon	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ens-conference-tunis.com ↗	60 match 2 shared topics	ens-conference-tunis-Latest News Information World Series highlights	en	science WordPress	robotsllmsaihumans	emailphone	none
eodashboard.org ↗	60 match 2 shared topics	Earth Observation Dashboard	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
eo-atlas.org ↗	60 match 2 shared topics	EO-Atlas - satellite and Earth observation supply chain catalogue	en	science	robots llmsaihumans	emailphone	partial · 8
curiosityxinsights.com ↗	60 match 2 shared topics	Curiosity X Insights	en	science	robotsllmsaihumans	emailphone	partial · 8
curiosityvoyagers.net ↗	60 match 2 shared topics	Curiosity Voyagers: Embrace the Voyage, Forever Seeking, Always Curious	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
curiosityquery.org ↗	60 match 2 shared topics	Home - Curiosity Query	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
3dmesonet.org ↗	60 match 2 shared topics	3D Mesonet Project \| The 3D Mesonet Project is a cooperative effort between the University of Oklahoma and Oklahoma State University to collect spatiotemporal (3D) atmospheric measurements in the lower atmosphere through the use of small, instrumented unmanned aircraft systems (UAS). These weather-o	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
4d-star.org ↗	60 match 2 shared topics	4D-STAR	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
4hollowearth.com ↗	60 match 2 shared topics	A New Perspective of Earth's Structure	en	science	robotsllmsaihumans	emailphone	none
5watts.org ↗	60 match 2 shared topics	QRP and Amateur Radio by Roger J. Wendell - WB�JNR (WB0JNR)	en	science	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.