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Sites similar to planetimager.org

Planetimager alternatives & similar sites

Planet Imager — 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 →

DomainMatchTitleCountry/LangCategoryAI filesContactAI-protection
planetary.org 70* match The Planetary Society en Space and Astronomy none
astronomy.com 70* match Astronomy Magazine: Space News, Observing, Planets, Galaxies en Space and AstronomyWordPress email none
minorplanetcenter.net 70* match IAU Minor Planet Center en Space and Astronomy robots partial · 5
adlerplanetarium.org 70* match Home - Adler Planetarium en Space and AstronomyWordPress robots full · 20
exoplanet.eu 70* match Encyclopaedia of exoplanetary systems European Union en Space and Astronomy email none
europlanet-society.org 70* match Europlanet en Space and AstronomyWordPress robots none
nasa.gov 55* match NASA en Space and AstronomyWordPress none
chaoxing.com 55* match 超星 en Space and Astronomy none
esa.int 55* match European Space Agency en Space and Astronomy none
hamqsl.com 55* match HF Propagation and Solar-Terrestrial Data Website en Space and Astronomy email none
spacetourismhq.com 55* match Space Tourism HQ LLC en Space and AstronomyWordPressWooCommerce robots email none
space.com 55* match Space.com: NASA, Space Exploration and Astronomy News United States~ en Space and Astronomy none
copernicus.eu 55* match Homepage | Copernicus European Union en Space and AstronomyDrupal none
eso.org 55* match ESO en Space and Astronomy robots email none
moonconnection.com 55* match Moon Information Resource And Guide en Space and Astronomy robots none
dxnews.com 55* match DX - News - HAM Radio - Amateur Radio - DX News en Space and Astronomy robots none
rocket.domains 55* match Rocket: Light Years Ahead en Space and AstronomyWordPressWooCommerce robots none
rasc.ca 55* match RASC | Inspiring Interest and Knowledge of Astronomy Since 1868 Canada en Space and AstronomyDrupal robots 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.