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Back to Apollo - We Had a Plan, Then We Made It — 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
backtospace.com ↗	65 match 1 shared topics	Back to Space	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
back2earthsystems.com ↗	63 match 1 shared topics	Back2earthsystems – We bring you back to Earth	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
charlieduke.com ↗	63 match 1 shared topics	Charlie Duke, Lunar Module Pilot on Apollo 16, 10th man on the moon.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
roadtoplanetarlia.com ↗	62 match 1 shared topics	Road to planet Arlia	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dopeguides.com ↗	62 match 1 shared topics	DopeGuides - We Come From Outer Space!	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
earthtoaliens.org ↗	62 match 1 shared topics	Earth to Aliens	US~ en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
b2bs.co.uk ↗	62 match 1 shared topics	The Story Unfolds -2 planets and a coming war	GB en	space-and-astronomy	robotsllmsaihumans	emailphone	none
adlercaps.org ↗	62 match 1 shared topics	Welcome to AdlerCaps	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cinecopter.net ↗	62 match 1 shared topics	CineUFO - flying camera platforms from outer space...	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
adlerplanetarium.org ↗	62 match 1 shared topics	Home - Adler Planetarium	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	full · 20
dadschooling.com ↗	61 match 1 shared topics	CosmoBC - From the Cosmos down to Earth!	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cloudpillars.org ↗	61 match 1 shared topics	CloudPillars – The magnificence of sky	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
achospace.com ↗	61 match 1 shared topics	Achospace - Are you ready to touch the stars?	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
clearnight.app ↗	61 match 1 shared topics	ClearNight — Know when the night is worth the trip.	en	space-and-astronomy	robots llmsaihumans	emailphone	none
palendr.com ↗	61 match 1 shared topics	Plans	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
adastraorigins.com ↗	61 match 1 shared topics	Ad Astra Origins	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
donamarabe.com ↗	61 match 1 shared topics	Dona Marabe - Filipino Astronaut in the making \| Dona Marabe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
palestars.com ↗	61 match 1 shared topics	Unlocking the Power of Palestars: A Journey to the Stars	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.