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Explainingscience alternatives & similar sites

Explaining Science – Astronomy, space and space travel for the non scientist — 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
crystalpalacespace.com ↗	69 match 1 shared topics	Crystal Palace Space: Exploring Astronomy, Space Tech & Cosmic Discoveries	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3dastronomer.net ↗	68 match 1 shared topics	3D Astronomer, Space Exploring The Cosmos, Stars or Outer Space.	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
4spacescience.com ↗	68 match 1 shared topics	4SpaceScience -- Search Space Science Data, News, Tools	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
space.cy ↗	67 match 1 shared topics	Cyprus Space Exploration Organisation - Space & Astronomy in Cyprus	Cyprus en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spaceexploration.cy ↗	67 match 1 shared topics	Cyprus Space Exploration Organisation - Space & Astronomy in Cyprus	Cyprus en	space-and-astronomy	robotsllmsaihumans	emailphone	none
sky-ambassador.com ↗	67 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
astroleveluppoint.com ↗	67 match 1 shared topics	Astro Level Up Point: Tips for Stargazing and Astronomy	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cosmicspinpro.com ↗	67 match 1 shared topics	Cosmic Spin Pro: Exploring Astrophysics and Space Discoveries	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
jacobpare.com ↗	66 match 1 shared topics	NASA Space Showcase – Promoting interest in space through educational articles and stunning imagery.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	full · 12
skyinsight.net ↗	66 match 1 shared topics	Your Insight into the Sky and Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
csewi.org ↗	66 match 1 shared topics	The Space & Astronomy Blog	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
africapss.org ↗	66 match 1 shared topics	African Initiative for Planetary and Space Sciences	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
sbig.com ↗	66 match 1 shared topics	Diffraction - Astronomy & Scientific Imaging Solutions	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
astronomics.com ↗	66 match 1 shared topics	Astronomics Scientific & Astronomical Gear	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
jacklnorthrup.com ↗	66 match 1 shared topics	From the Planetarium – Astronomy, Education, Technology, Teaching, and General geekiness	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
aurorabase.ca ↗	66 match 1 shared topics	AuroraBase: Exploring Northern Lights & Space Science	Canada en	space-and-astronomy	robotsllmsaihumans	emailphone	none
4astronomy.com ↗	66 match 1 shared topics	4Astronomy -- Custom Search for Astronomy Resources, Tools, and News	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
skyfeedblog.com ↗	66 match 1 shared topics	Skyfeed - The Latest in Space News and Resources	en	space-and-astronomy WordPress WooCommerce	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.