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planetWRF — 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
planetarycollisions.com ↗	68 match 2 shared topics	Star-Planetary Origins	en	science	robotsllmsaihumans	emailphone	none
planetjefrey.com ↗	65 match 2 shared topics	Planet Jefrey - out there	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
a4e.org ↗	64 match 2 shared topics	Astronomers for Planet Earth (A4E). A global movement.	en	science WordPress	robotsllmsaihumans	emailphone	none
planettimeless.com ↗	64 match 2 shared topics	Timeless Planet \| Space, Science & Technology	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
planethuntress.com ↗	64 match 2 shared topics	Exoplanet habitability \| Michelle Hill - Planet Huntress	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
samuelcourville.com ↗	63 match 2 shared topics	Samuel W. Courville – Planetary Science: Seeking the Spark of Life Beyond Earth	en	science WordPress WooCommerce	robotsllmsaihumans	emailphone	none
planatoo.com ↗	63 match 2 shared topics	Planatoo – We are the only known living Planet	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
degroup.uk ↗	63 match 2 shared topics	Brandon Johnson Planetary Scientist \| Brand-On Johns-On	GB en	space-and-astronomy	robotsllmsaihumans	emailphone	none
fenewsnet.com ↗	62 match 2 shared topics	Homepage - Flat Earth News Network	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
planetxxy.com ↗	62 match 2 shared topics	Planet XXY – Space travel, combative astronauts, and berserk gender chromosomes like never before!	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
planetarydata.org ↗	62 match 2 shared topics	IPDA – The website for the International Planetary Data Alliance	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
autumdowney.com ↗	62 match 2 shared topics	Autum Downey's personal website \| PhD student \| Earth and Space Science	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
haplesspigeon.com ↗	62 match 2 shared topics	Hapless Pigeon – One bird-brain's exploration of planetary science	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
josemarchezi.com ↗	62 match 2 shared topics	Jose Paulo Marchezi - Researcher and Data Scientist \| Jose Paulo Marchezi	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3dmesonet.org ↗	62 match 2 shared topics	3D Mesonet Project \| The 3D Mesonet Project is a cooperative effort between the University of Oklahoma and Oklahoma State University to collect spatiotemporal (3D) atmospheric measurements in the lower atmosphere through the use of small, instrumented unmanned aircraft systems (UAS). These weather-o	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
plasmanity.com ↗	62 match 2 shared topics	Welcome to Plasmanity	en	science	robotsllmsaihumans	emailphone	none
hannahfritzemoon.com ↗	61 match 2 shared topics	Hannah Fritze Moon	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
sanceen.com ↗	61 match 2 shared topics	Sanceen: Explore Science, Space and Technology	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.