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Empty Quarter alternatives & similar sites

Home | The Empty Quarter — 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
curiosityquery.org ↗	66 match 2 shared topics	Home - Curiosity Query	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
key2space.com ↗	64 match 2 shared topics	Home - key 2 Space	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
terryadair.com ↗	64 match 2 shared topics	Where Are the Little Green Men? \| Terry M. Adair Book	en	science WordPress WooCommerce	robotsllmsaihumans	emailphone	none
geovoeg.com ↗	63 match 2 shared topics	Earth \| GeoVoeG \| third planet from the Sun in the Solar System	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
soundingrocket.org ↗	63 match 2 shared topics	ESRA - ESRA Home	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
spacelifesciencesaustralia.com ↗	63 match 2 shared topics	Home - Space Life Sciences Australia	en	science WordPress	robotsllmsaihumans	emailphone	none
davidwhitehouse.com ↗	63 match 2 shared topics	Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 14
wasthemoonlandingfaked.com ↗	63 match 2 shared topics	Was the Moon Landing Faked? A Comprehensive Examination	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
lifeship.space ↗	62 match 2 shared topics	Send DNA To The Moon – LifeShip	en	science Shopify	robotsllmsaihumans	emailphone	none
lifeship.world ↗	62 match 2 shared topics	Send DNA To The Moon – LifeShip	en	science Shopify	robotsllmsaihumans	emailphone	none
wavesandwiggles.com ↗	62 match 2 shared topics	Waves & Wiggles — The Big Questions	en	science	robotsllmsaihumans	emailphone	none
deepfly.org ↗	62 match 2 shared topics	Home Page Of Deepfly.org	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
1inmillion.com ↗	62 match 2 shared topics	Discover the rare phenomena at 1 in Million \| 1 in million	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
texasbusinessnetworks.com ↗	62 match 2 shared topics	Fix the Universe by 2200	en	science	robotsllmsaihumans	emailphone	none
waypaverfoundation.org ↗	62 match 2 shared topics	Home - WayPaver Foundation	en	science WordPress	robotsllmsaihumans	emailphone	none
wediscover.net ↗	62 match 2 shared topics	We Discover - Home	en	science Weebly	robotsllmsaihumans	emailphone	none
societyforthehistoryofastronomy.com ↗	62 match 2 shared topics	Society for the History of Astronomy \| shedding light on the history of astronomy	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
werethemoonlandingsreal.com ↗	62 match 2 shared topics	Were The Moon Landings Real? — Defend Apollo	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8

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.