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Clearnight alternatives & similar sites

ClearNight — Know when the night is worth the trip. — 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
aclearnight.com ↗	67 match 1 shared topics	A Clear Night	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
earthlightstore.org ↗	65 match 1 shared topics	The EarthLight Foundation Store – The EarthLight Store	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
clearskys.app ↗	65 match 1 shared topics	Clear Sky Tonight? Stargazing Forecast Scored 0–100 \| ClearSkys	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ladawntherapeuticridingcenter.com ↗	65 match 1 shared topics	Deep Sky Colors – The night sky is anything but black	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
owltrek.com ↗	65 match 1 shared topics	OwlTrek	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
addicted2wonder.com ↗	64 match 1 shared topics	Sedona Stargazing Tours \| Night Sky Experience	en	space-and-astronomy WordPress	robotsllmsaihumans	email phone	none
rocketlaunchapp.com ↗	64 match 1 shared topics	RocketLaunch - The spaceflight schedule	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
hetekan.org ↗	64 match 1 shared topics	Hetekan Telescope — Precision Optics for Stargazing	US~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
acastropark.com ↗	64 match 1 shared topics	Moeller Observatory \| Inspiration Through Astronomy	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
stratostar.com ↗	64 match 1 shared topics	StratoStar — Near-Space Flight Test	US~ en	space-and-astronomy	robots llmsaihumans	emailphone	none
travelseacenter.com ↗	63 match 1 shared topics	We Know Space • Umbra	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
abovebluesky.com ↗	63 match 1 shared topics	Above Blue Sky — World's #1 Vintage NASA Photo Collection	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dorkspacesystems.com ↗	63 match 1 shared topics	We Know Space • Umbra	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
clcnwi.com ↗	63 match 1 shared topics	Challenger Learning Center of Northwest Indiana \| STEM Education Programs	en	space-and-astronomy	robotsllmsaihumans	email phone	none
sub-geo.com ↗	63 match 1 shared topics	Sub-Geostationary — Orbital Ring Infrastructure	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
africaspaceworkshops.blog ↗	63 match 1 shared topics	Africa Space Workshops – Further advancing the development of African space expertise, inclusivity, and cooperation in the international arena.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
donamarabe.com ↗	63 match 1 shared topics	Dona Marabe - Filipino Astronaut in the making \| Dona Marabe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dontdieonthemoon.com ↗	63 match 1 shared topics	Don't Die On The Moon	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.