Template:Are You Sure/December 7

From Gnomon Chronicles
< Template:Are You Sure
Revision as of 20:37, 7 December 2020 by Admin (talk | contribs) (Created page with "... that astronomer and astrophysicist '''Cecilia Payne-Gaposchkin''' (10 May 1900 – 7 December 1979) established, in her doctoral...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

... that astronomer and astrophysicist Cecilia Payne-Gaposchkin (10 May 1900 – 7 December 1979) established, in her doctoral thesis, that hydrogen is the overwhelming constituent of stars, and accordingly the most abundant element in the universe?