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Sites similar to ceas.org

Ceas alternatives & similar sites

CEAS — 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
astrospacesystems.com ↗	60 match 2 shared topics	Astro Space Systems \| Where Speed Meets Space	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cawinters.com ↗	60 match 2 shared topics	CAWinters	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
interplanetarylab.com ↗	30 match 1 shared topics	InterplanetaryLab \| InterplanetaryLab – Sammlung von Ideen, Konzepten und Analysen für eine modulare, zukunftsorientierte und nachhaltige Raumfahrt. Auch für Start-ups geeignet.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
100yss.org ↗	30 match 1 shared topics	100 Year Starship — Humanity's Interstellar Future	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
aac-clyde.space ↗	30 match 1 shared topics	AAC Clyde Space \| Space Data & Satellite Constellation Providers	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
aerith.net ↗	30 match 1 shared topics	Seiichi Yoshida's Home Page	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
afspacemuseum.org ↗	30 match 1 shared topics	Cape Canaveral Space Force Museum	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
amostech.com ↗	30 match 1 shared topics	AMOS Conference - AMOS Conference	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
apollosaturn.com ↗	30 match 1 shared topics	John Duncan	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
armagh.space ↗	30 match 1 shared topics	Armagh Observatory & Planetarium \| County Armagh \| Northern Ireland	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 8
astrolab.space ↗	30 match 1 shared topics	Astrolab	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astroleveluppoint.com ↗	30 match 1 shared topics	Astro Level Up Point: Tips for Stargazing and Astronomy	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astronomics.com ↗	30 match 1 shared topics	Astronomics Scientific & Astronomical Gear	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
astronomyedinburgh.org ↗	30 match 1 shared topics	Astronomy in Edinburgh - Astronomical Society of Edinburgh	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astroscale.com ↗	30 match 1 shared topics	Astroscale \| Space for Tomorrow	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
atlasoftheuniverse.com ↗	30 match 1 shared topics	An Atlas of The Universe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
avio.com ↗	30 match 1 shared topics	Avio – Advanced Space Propulsion & Aerospace Solutions	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
axelspace.com ↗	30 match 1 shared topics	Axelspace \| Space within Your Reach	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.