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Polarjetstream alternatives & similar sites

Polar Jet Stream — 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
polarizasyon.com ↗	65 match 1 shared topics	Polarizasyon	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
eternalbrewing.com ↗	64 match 1 shared topics	Solar Storm 2024	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
polaris-space.com ↗	64 match 1 shared topics	Polaris Space Ventures	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
outerspacetreaty.org ↗	62 match 1 shared topics	Outer Space Treaty	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
polaric.io ↗	62 match 1 shared topics	Polaric \| Innovating for tomorrow	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3i-atlas.net ↗	62 match 1 shared topics	Interstellar Comet 3I/ATLAS	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
alienandufopictures.com ↗	62 match 1 shared topics	Alien and UFO Pictures - A collection of real alien pictures and real UFO photos collected from around the world.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
polaris303link.com ↗	62 match 1 shared topics	POLARIS303 : POLARIS 303 Kilau Bintang Utara Penunjuk Arah Navigasi Malam Hari Indah	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
polaris78link.com ↗	62 match 1 shared topics	POLARIS78 : POLARIS 78 Kilau Bintang Utara Penunjuk Navigasi Malam Hari Indah Asri	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
otford.org ↗	62 match 1 shared topics	Otford solar system - the largest scale model in the world	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
100yss.org ↗	61 match 1 shared topics	100 Year Starship — Humanity's Interstellar Future	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3craftsaerospace.com ↗	61 match 1 shared topics	TRICRAFT .AEROSPACE Division \| Discover Space Solutions - Get Started	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
polariscrux.com ↗	61 match 1 shared topics	Exploring the Aurora Borealis, Northern Lights, and Southern Cross \| Find Your Way Anywhere on Earth \| Polaris Crux	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astronomyedinburgh.org ↗	61 match 1 shared topics	Astronomy in Edinburgh - Astronomical Society of Edinburgh	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
moonkeyeu.com ↗	61 match 1 shared topics	MoonkeyEU - Space Launch Tracker	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3ia.net ↗	61 match 1 shared topics	3I Atlas (3I/ATLAS) - Interstellar Object Tracker \| Real-Time Data & Analysis	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
3iatlas.com ↗	61 match 1 shared topics	3I Atlas (3I/ATLAS) - Interstellar Object Tracker \| Real-Time Data & Analysis	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 13
otherworlders.com ↗	61 match 1 shared topics	Other Worlders - UFO Sightings, Aliens, Ancient Alien Theory	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.