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Walter Baade was a German-born American astronomer who classified stars into two distinct population types, found each type had a distinct kind of Cepheid variable (a crucial cosmic distance indicator), and deduced from this that the universe was roughly twice as big and old as previously thought. Having earned his PhD at Göttingen, Baade ...
Walter Baade Papers: Finding Aid. Finding aid prepared by Huntington Library staff. Manuscripts Department. The Huntington Library. 1151 Oxford Road. San Marino, California 91108. Phone: (626) 405-2203. Fax: (626) 449-5720.
We continue ‘Discovering Mount Wilson’ with Chapter 17, showcasing Astronomer Walter Baade (1893-1960), discoverer of stellar populations, with use of the Observatory’s 100-inch telescope. Born and educated in Germany, astronomer Walter Baade worked at the Hamburg Observatory, in the Bergedorf borough of Hamburg before departing ‘in ...
Wilhelm Heinrich Walter Baade (24 de marzo de 1893 – 25 de junio de 1960) fue un astrónomo alemán que trabajó en Estados Unidos de 1931 a 1959. Biografía. Hijo de un profesor, Baade terminó la escuela en 1912. Luego estudió matemáticas, física y astronomía en las universidades de Münster y Göttingen.
Baade, Walter (1893-1960) German-American astronomer who discovered the asteroids Hidalgo in 1920 and Icarus in 1948. Studying the distances and stellar populations of nearby galaxies , he showed that Hubble's distances were incorrect because there were actually two populations of Cepheid variables .
Walter Baade was born one hundred and one years ago; he died in 1960, a third of a century ago. In my opinion he was the second most important observational astronomer of this century, after Edwin Hubble, who changed our place in the universe and our perception of it. I will give some of the evidence in this paper.
27 de jun. de 2018 · Baade, Walter (1893–1960) US astronomer, b. Germany. From Mount Wilson Observatory, in the 1943 wartime blackout, he observed individual stars in the Andromeda Galaxy and distinguished the younger, bluer Population I stars from the older, redder Population II stars. He went on to improve the use of Cepheid variable stars as distance ...
