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Atomパラグライダー手帳　大空に魅せられたおじさんのパラグライダーサイト — 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
wakayama-rocket.com ↗	64 match 1 shared topics	カイロスロケット打上げ応援サイト	ja	space-and-astronomy	robotsllmsaihumans	emailphone	none
1banboshi.org ↗	63 match 1 shared topics	いちばんぼし – 埼玉県鴻巣市を中心に活動する天文サークル「いちばんぼし」のホームページです。	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
hsk-sat.com ↗	62 match 1 shared topics	HSK-SAT – 「あそぼう！人工衛星で」をタイトルにして、人工衛星を使ってどんな遊びができるのかのヒントを探るサイトです。人工衛星って何だろう？なんだかすごいね！の世界から、人工衛星を使うとこんなことがで	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
5zigen.org ↗	62 match 1 shared topics	aki の５次元サイト	ja	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
hoshi-portal.com ↗	62 match 1 shared topics	星のポータル \|	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astroeventhub.com ↗	62 match 1 shared topics	ほしナビ \| 流星群・日食・月食の日程と観測ガイド	ja	space-and-astronomy	robotsllmsaihumans	emailphone	none
100pedia.com ↗	61 match 1 shared topics	100ペディア \| 世の中のナゼ？を紐解く好奇心くすぐり系情報メディア	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astronote-cam.com ↗	61 match 1 shared topics	アストロNOTE	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
hoshi-club-yokohama.org ↗	61 match 1 shared topics	天文・星・横浜｜星☆クラブ横浜｜神奈川県横浜市の天文同好会	ja	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
5bando.com ↗	61 match 1 shared topics	隕石５番堂	ja	space-and-astronomy	robotsllmsaihumans	emailphone	none
astro-itty.com ↗	61 match 1 shared topics	アストロ・イティー　－Astro Itty－ \| 宇宙開発・利用のお手伝い	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
hosifuri.net ↗	61 match 1 shared topics	金の星ふります	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astro-muse.com ↗	61 match 1 shared topics	MUSCAT Space Engineering Co., Ltd.	ja	space-and-astronomy	robotsllmsaihumans	emailphone	none
astrocub.com ↗	61 match 1 shared topics	AstroCub Inc.　　　　アストロカブ株式会社 \| アストロカブ株式会社は宇宙通信システムを専門とするシステムプロバイダです。	ja	space-and-astronomy	robotsllmsaihumans	emailphone	none
hoshimitoge-observatory.com ↗	61 match 1 shared topics	星見峠天文台 \| Official Site	ja	space-and-astronomy	robotsllmsaihumans	emailphone	none
sizenkansatu.com ↗	61 match 1 shared topics	自然観察くらぶ	ja	space-and-astronomy	robotsllmsaihumans	emailphone	none
nazca2000.com ↗	61 match 1 shared topics	株式会社ナスカ – 航空宇宙機の設計・解析・開発	ja	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
1nohe-obs.net ↗	61 match 1 shared topics	一戸町観光天文台 – 　もっと身近な星空へ・・・	ja	space-and-astronomy WordPress	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.