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Chris Hadfield's top 10 neighbors span activists, comedians, a science magazine, a TV show, and a politician — no single subcategory dominates, and no other Professional appears in the set.
The shape is flat: scores run from 0.95 down to 0.93 with no meaningful gap between them. The top neighbor is Greta Thunberg at 0.95, followed closely by March For Science at 0.95 and John Oliver at 0.94. Last Week Tonight (0.94) and Scientific American (0.94) round out the top five. Tallying the subcategories across all ten: Activists appear twice (Greta Thunberg and Monica Lewinsky), Comedians once (John Oliver), TV Shows once (Last Week Tonight), Magazines once (Scientific American), Politicians once (Justin Trudeau), Websites once (The Onion), Humor Memes and Satire once (The Mysterious LOLGOP), and Academics once (Neil deGrasse Tyson). That is a cross-kind cluster: Hadfield's subcategory — Professionals — appears nowhere in the top 10. The audience instead maps onto a mix of science-adjacent media, political comedy, and civic activism, with no single subcategory accounting for more than two neighbors.
The flat, cross-kind pattern suggests this audience is defined less by what Hadfield is than by a consistent orientation — toward science communication, political engagement, and satirical media — that cuts across many entity types.
