Template:Selected anniversaries/December 7: Difference between revisions

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||1972: Apollo 17, the last Apollo moon mission, is launched. The crew takes the photograph known as The Blue Marble as they leave the Earth.
||1972: Apollo 17, the last Apollo moon mission, is launched. The crew takes the photograph known as The Blue Marble as they leave the Earth.
||1977: Peter Carl Goldmark dies ... engineer ... instrumental in developing the long-playing microgroove 33-1/3 rpm phonograph disc. Pic.


File:Cecilia Helena Payne-Gaposchkin.jpg|link=Cecilia Payne-Gaposchkin (nonfiction)|1979: Astronomer and astrophysicist [[Cecilia Payne-Gaposchkin (nonfiction)|Cecilia Payne-Gaposchkin]] dies. Her doctoral thesis established that hydrogen is the overwhelming constituent of stars, and accordingly the most abundant element in the universe.
File:Cecilia Helena Payne-Gaposchkin.jpg|link=Cecilia Payne-Gaposchkin (nonfiction)|1979: Astronomer and astrophysicist [[Cecilia Payne-Gaposchkin (nonfiction)|Cecilia Payne-Gaposchkin]] dies. Her doctoral thesis established that hydrogen is the overwhelming constituent of stars, and accordingly the most abundant element in the universe.

Revision as of 16:29, 1 December 2019