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H.R. MacMillan Space Centre | Planetarium and Exhibits — 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
csparc.org ↗	67 match 1 shared topics	Cyprus Space Research and Innovation Centre (C-SpaRC)	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
bcplanetarium.com ↗	66 match 1 shared topics	The BC Planetarium \| British Columbia's mobile space simulation dome	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
armagh.space ↗	66 match 1 shared topics	Armagh Observatory & Planetarium \| County Armagh \| Northern Ireland	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 8
hpspace.co ↗	65 match 1 shared topics	The Highland Park Space Company	Colombia en	space-and-astronomy	robotsllmsaihumans	emailphone	none
condosinspace.com ↗	65 match 1 shared topics	Condos In Space \| Luxury Living Beyond Earth and more	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
kennedyspacecenter.co ↗	65 match 1 shared topics	Plan Your Visit - Kennedy Space Center Visitor Complex	Colombia en	space-and-astronomy	robotsllmsaihumans	emailphone	none
diamondskyproductions.com ↗	64 match 1 shared topics	Diamond Sky Productions - Planetary Imagery and Animations : Cassini : Saturn : Rings : Moons	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
moonspacemodels.com ↗	64 match 1 shared topics	Home \| MOON - Space Models	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dinosaurfacts.net ↗	64 match 1 shared topics	Space Facts - Interesting Facts about Space!	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
bavarianspacelab.com ↗	64 match 1 shared topics	Bavarian Space Lab By enveon	en	space-and-astronomy WordPress	robotsllmsaihumans	email phone	none
vitruvianspacesystems.com ↗	64 match 1 shared topics	Vitruvian Space Systems	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
shopspacekitz.com ↗	64 match 1 shared topics	Space Kitz \| Hands-On Space Science Kits for Classrooms	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cosmicspinpro.com ↗	64 match 1 shared topics	Cosmic Spin Pro: Exploring Astrophysics and Space Discoveries	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mcgillspace.com ↗	64 match 1 shared topics	McGill Space Group	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mcpstars.org ↗	64 match 1 shared topics	Merrillville Community Planetarium - Bringing the Universe to the Merrillville Schools and Northwest Indiana	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astroscale.com ↗	64 match 1 shared topics	Astroscale \| Space for Tomorrow	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
moonhumans.com ↗	64 match 1 shared topics	MoonHumans - Lunar Exploration & Space News	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ourpluto.org ↗	64 match 1 shared topics	Our Pluto \| Latest Updates and info of this former planet	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.