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SkyPlot | Own Your Place in the Universe — 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
atlasoftheuniverse.com ↗	69 match 1 shared topics	An Atlas of The Universe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
theuniversequiz.com ↗	69 match 1 shared topics	The Universe Quiz	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
4space.io ↗	67 match 1 shared topics	4space.io — Expand Your Universe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
theuniverseepisodes.com ↗	66 match 1 shared topics	The Universe Episodes \| Cosmic Chronicles	United States~ en	space-and-astronomy WordPress WooCommerce	robots llmsaihumans	emailphone	none
4search.space ↗	66 match 1 shared topics	4search.SPACE -- Search the Universe of Space Resources	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
luwana.com ↗	66 match 1 shared topics	Luwana – All the links to my universe	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
axelspace.com ↗	64 match 1 shared topics	Axelspace \| Space within Your Reach	en	space-and-astronomy WordPress	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
blastzone.org ↗	64 match 1 shared topics	High Power Rocketry in the Blast Zone	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
onotherplanets.com ↗	64 match 1 shared topics	Your Age on Other Planets	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
blacktrianglewatchuk.com ↗	64 match 1 shared topics	Explore Black Triangle UAP & UFO Sightings in the UK	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
3ap.org ↗	63 match 1 shared topics	Amateur Astronomers Association of Pittsburgh – Your Bridge to the Stars	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 8
above.space ↗	63 match 1 shared topics	ABOVE - Providing More Space in Space	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
2bcom.space ↗	63 match 1 shared topics	2BCOM Space – Solutions for the Space Industry	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
thexenologist.com ↗	62 match 1 shared topics	The Xenologist	en	space-and-astronomy Reaction Commerce	robotsllmsaihumans	emailphone	none
ehp.be ↗	62 match 1 shared topics	EHP - Leader in Space Thermal Control	Belgium en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
3dastronomer.net ↗	62 match 1 shared topics	3D Astronomer, Space Exploring The Cosmos, Stars or Outer Space.	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
2ndspace.space ↗	62 match 1 shared topics	2NDSpace \| Flight-Proven CubeSat & Nanosatellite Hardware – Ready for Your Next Mission	en	space-and-astronomy Wix	robots llmsaihumans	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.