Topic: Smithsonian Institution Archives
You are looking at all articles with the topic "Smithsonian Institution Archives". We found 1 matches.
Hint: To view all topics, click here. Too see the most popular topics, click here instead.
Biography Women scientists Biography/science and academia Women's History Astronomy Smithsonian Institution Archives
Cecilia Helena Payne-Gaposchkin (née Payne; (1900-05-10)May 10, 1900 – (1979-12-07)December 7, 1979) was a British-born American astronomer and astrophysicist who proposed in her 1925 doctoral thesis that stars were composed primarily of hydrogen and helium. Her groundbreaking conclusion was initially rejected because it contradicted the scientific wisdom of the time, which held that there were no significant elemental differences between the Sun and Earth. Independent observations eventually proved she was actually correct
- "Cecilia Payne-Gaposchkin" | 2013-08-11 | 38 Upvotes 55 Comments