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Spacecenter alternatives & similar sites

Space Center Houston | Bringing people & space closer together — 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
pythomspace.com ↗	67 match 1 shared topics	Pythom Space \| Human Space Exploration	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
thegalacticgal.com ↗	67 match 1 shared topics	The Galactic Gal - Bringing Space Down to Earth	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
buyshopnasa.shop ↗	67 match 1 shared topics	NASA Johnson Space Center Gift Shop \| Shop NASA	en	space-and-astronomy WooCommerce	robotsllmsaihumans	emailphone	none
spaceexploration.org.cy ↗	67 match 1 shared topics	Cyprus Space Exploration Organisation - Space & Astronomy in Cyprus	Cyprus en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3dastronomer.net ↗	66 match 1 shared topics	3D Astronomer, Space Exploring The Cosmos, Stars or Outer Space.	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
csparc.org ↗	66 match 1 shared topics	Cyprus Space Research and Innovation Centre (C-SpaRC)	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dragnetdeorbit.com ↗	66 match 1 shared topics	Deorbit Systems \| MMA Space	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cosmicspinpro.com ↗	66 match 1 shared topics	Cosmic Spin Pro: Exploring Astrophysics and Space Discoveries	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
rocket-propulsion-consult.com ↗	66 match 1 shared topics	Space Propulsion Consulting for launch Vehicles and Spacecraft	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
boltu.space ↗	65 match 1 shared topics	boltu.space \| Launching to Space	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
crystalpalacespace.com ↗	65 match 1 shared topics	Crystal Palace Space: Exploring Astronomy, Space Tech & Cosmic Discoveries	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
americasspace.university ↗	65 match 1 shared topics	The Future of Space Exploration \| University of Central Florida	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
axelspace.com ↗	65 match 1 shared topics	Axelspace \| Space within Your Reach	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
newjointproject.com ↗	65 match 1 shared topics	European Space Agency	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
themaxiq.com ↗	65 match 1 shared topics	MaxIQ Space International	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
blastoff.space ↗	65 match 1 shared topics	blastoff.space — space tv	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
boldsphereplanet.com ↗	65 match 1 shared topics	BoldSphere Planet: Exploring Space, Science, and Innovation	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
anxplore.space ↗	65 match 1 shared topics	Anxplore \| Space Pioneer	en	space-and-astronomy WordPress	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.