Talk:Contact binary (small Solar System body)

Isn't saying "mutual contact" between two things redundant?
If A is touching B, by definition, B is also touching A, right? --TiagoTiago (talk) 01:15, 27 November 2015 (UTC)

further sources
there seem to be a lot more, didn't had the time to check and import them: — Preceding unsigned comment added by Hartmut (talk • contribs) 10:36, 8 January 2023 (UTC)