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Space Art by Paul Fjeld — 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
interstellarchallenge.com ↗	67 match 1 shared topics	Interstellar Challenge \| Space Prediction Platform	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
nycaerospace.org ↗	66 match 1 shared topics	NYC Aerospace \| Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
guerrero-space-apps.org ↗	66 match 1 shared topics	NASA Space Apps Challenge	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
hydrospace2021.org ↗	66 match 1 shared topics	Hydrospace 2021	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
inorbitrefueling.org ↗	66 match 1 shared topics	In-Orbit Refueling \| Future of Space Technology	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
mihtehumans.com ↗	66 match 1 shared topics	MihteHumans – Celebrating human space exploration	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
hyperspacechallenge.com ↗	66 match 1 shared topics	- Hyperspace Challenge	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
hyperspacechallenge.org ↗	66 match 1 shared topics	- Hyperspace Challenge	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
eliteroyalspace.com ↗	66 match 1 shared topics	Elite Royal Space: Exploring Luxury Space Travel & Innovations	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
clearspace.today ↗	65 match 1 shared topics	ClearSpace	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
internationalspacecentre.org ↗	65 match 1 shared topics	International Space Centre	en	space-and-astronomy HubSpot	robotsllmsaihumans	emailphone	none
turtleislandspace.com ↗	65 match 1 shared topics	Space Education - Home - Turtle Island Space	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cosmicspinpro.com ↗	65 match 1 shared topics	Cosmic Spin Pro: Exploring Astrophysics and Space Discoveries	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
csparc.org ↗	65 match 1 shared topics	Cyprus Space Research and Innovation Centre (C-SpaRC)	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
interstellartrips.com ↗	65 match 1 shared topics	Interstellar Trips \| Space Concierge	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
aatc.tech ↗	65 match 1 shared topics	About - AATC Space Science and Education	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
edgeofspace.com.br ↗	65 match 1 shared topics	_EDGE OF SPACE_	Brazil en	space-and-astronomy	robotsllmsaihumans	emailphone	none
gsa-hsa.com ↗	65 match 1 shared topics	Home · Greek \| Hellenic Space Agency	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.