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A Brief Sketch of What Life on Mars Will Look Like — 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
vision-mars.org ↗	63 match 1 shared topics	Vision Mars - World's First Mars Open Source Project \| Collaborative Mars Colonization	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
visitmarsnow.com ↗	63 match 1 shared topics	Visit Mars	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ke8opw.radio ↗	63 match 1 shared topics	KE8OPW - What in the wide, wide, world of ham radio is going on?	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
1000beats.red ↗	62 match 1 shared topics	1000beats.red — Mars Decimal Time	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
framesfrommars.com ↗	62 match 1 shared topics	Frames From Mars — NASA Mars Photo Archive	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
sky-ambassador.com ↗	62 match 1 shared topics	Sky Ambassador – Bringing the wonders of NASA, the night sky, and science to life!	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
skychecker.app ↗	62 match 1 shared topics	SkyChecker - See What's Up Tonight	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
nebula-now.com ↗	62 match 1 shared topics	Astronomy Picture of the Day	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
nebulanautics.com ↗	62 match 1 shared topics	NebulaNautics – Launching Dreams – Explore Florida's Rocketry Wonders with NebulaNautics.com	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
sirius-starofthemaltesetemples.com ↗	62 match 1 shared topics	Lenie Reedijk - Sirius Star of the Maltese Temples - Book out now	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
3ap.org ↗	62 match 1 shared topics	Amateur Astronomers Association of Pittsburgh – Your Bridge to the Stars	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 8
4sbwthu.org ↗	62 match 1 shared topics	Lise, Scott, & Will	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
aaronlepsch.com ↗	62 match 1 shared topics	Aaron Lepsch - Baltimore, Maryland, NASA \| about.me	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
theirskies.com ↗	62 match 1 shared topics	TheirSkies - See the Night Sky from Other Stars \| Interactive Star Maps	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
returnviewersguide.com ↗	62 match 1 shared topics	Return Viewer's Guide. In days to come you will have good use of this. Go to your right...	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
rfjunkies.com ↗	62 match 1 shared topics	The RF Junkies Dxpedition Group - Home / News	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
theinfinitechicago.com ↗	62 match 1 shared topics	Space Explorers: THE INFINITE \| Space Explorers: THE INFINITE \|…	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.