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Projectphanes alternatives & similar sites

Project Phanes — 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
cygnusproject.org ↗	68 match 1 shared topics	The Cygnus Project	en	space-and-astronomy Ghost	robotsllmsaihumans	emailphone	none
karmanproject.org ↗	65 match 1 shared topics	The Karman Project \| For a cooperative future in space	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
carpathiansky.com ↗	64 match 1 shared topics	Carpathian Starry Sky - On the Project	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
deepnowproject.com ↗	64 match 1 shared topics	THE DEEP NOW PROJECT: THIS MOMENT OF MIRACLES	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
declassified.ca ↗	63 match 1 shared topics	DECLASSIFIED - Aliens, UFOs & Secret Government Projects	Canada en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
liftoff-challenge.ch ↗	63 match 1 shared topics	Liftoff Challenge ETH Zurich \| Space – Build & Launch your space project	Switzerland en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ddsd.org.uk ↗	63 match 1 shared topics	Martin Nicholson's Astronomical Projects - index.html	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none
skyglowproject.com ↗	63 match 1 shared topics	SKYGLOW - Light Pollution Awareness Project in collaboration with International Dark-Sky Association	en	space-and-astronomy Squarespace Squarespace Commerce	robotsllmsaihumans	emailphone	none
i3atlas.com ↗	63 match 1 shared topics	3I/ATLAS Tracker - Live Interstellar Object Updates	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cchsurecomply.com ↗	63 match 1 shared topics	Today’s Moon Phase	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
myspacebase.com ↗	62 match 1 shared topics	Spacebase v2.1.8 \| Space Object Tracking	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
detecthorizon.com ↗	62 match 1 shared topics	detect horizon	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 1
primeaurainc.com ↗	62 match 1 shared topics	Prime Aura Inc Astro Insight - Pioneering Science and Research	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astroconnect.co.uk ↗	62 match 1 shared topics	AstroConnect UK - Astronomy Blog & Stargazing Community	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3dsunfilm.com ↗	62 match 1 shared topics	3D Sun	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dcosmoph.com ↗	62 match 1 shared topics	cosmo ph \| Explore the Cosmos: An Inside Look at Cosmic Phenomena and Stellar Adventures	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
decenspace.com ↗	62 match 1 shared topics	DecenSpace — Connect to Space. Anywhere. Anytime.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
kansascosmos.com ↗	62 match 1 shared topics	Kansas Cosmos	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.