The top 10 neighbors for The Expanse form a cross-kind cluster with no dominant standout — the scores run from WordPress at 0.80 down to Boeing Airplanes at 0.78, a span of just 0.02, which is the flat shape in practice.
What's notable is the composition. Only one neighbor shares The Expanse's own subcategory: Westworld (TV Shows, 0.75) appears near the bottom of the top 10. The remaining nine are technology brands, websites, and an academic — WordPress (0.80), Woot! (0.80), SearchEngineJournal® (0.79), Dr. Michio Kaku (0.79), BGR.com (0.79), Snopes.com (0.79), 1Password (0.78), HuffPost Sports (0.78), and Lifehacker (0.78). Tallying the subcategories: four are Technology brands, three are Websites, one is a News Publisher, one is a Blog, and one is an Academic. No other TV shows appear in the top 10 besides Westworld.
The pattern is a tech-and-web-media audience — the kind that follows developer tools, tech news sites, and science communicators — rather than an audience defined by genre-adjacent television. Dr. Michio Kaku is the one figure whose subject matter aligns with science fiction themes, but his presence here is a function of audience shape, not content overlap.
The flat distribution across these neighbors suggests The Expanse draws an audience whose composition is broadly consistent with digitally engaged, tech-oriented media consumers rather than a narrowly defined sci-fi viewership.