Talk:fourth cosmic velocity
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All of these newly-added cosmic velocity entries are a bit encyclopedic for my taste, but this one has only 7 Google Books hits, and none of them unequivocally support this definition. Chuck Entz (talk) 01:50, 28 May 2016 (UTC)
- The synonymous version "fourth cosmic speed" U.S.A.F. military document from 1977 escape velocity of the Milky Way (second sense - the orbital velocity of the Sun in the galaxy is also presented) -- 70.51.200.20 04:02, 28 May 2016 (UTC)
- RFV failed. —Mr. Granger (talk • contribs) 15:22, 29 July 2016 (UTC)