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Walter Baade ( Schröttinghausen, 24 marzo 1893 – Gottinga, 25 giugno 1960) è stato un astronomo tedesco, che emigrò negli Stati Uniti d'America nel 1931 .
Wilhelm Heinrich Walter Baade (March 24, 1893 – June 25, 1960) was a German astronomer who worked in the United States from 1931 to 1959.
Learn about Walter Baade, a German-born astronomer who worked at Mt. Wilson and Palomar observatories. He discovered supernovae, neutron stars, Cepheid variables, and the Andromeda Galaxy.
1 nov 2002 · In the autumn of 1943, Walter Baade, at the Mount Wilson Observatory, managed to resolve into individual stars the inner amorphous region of the Andromeda galaxy and two of its companion galaxies. The brightest stars were yellow giants; he found no highly luminous blue or red stars.
Walter Baade was one of the great astronomers of the twentieth century. He opened up the fields of study of stellar and galactic evolution that have made up so much of astronomy in our time, but which were sterile and unproductive before his discovery of the two stellar populations, young stars and old.
Astronomo tedesco (Schröttinghausen, Lubecca, 1893 - Gottinga 1960). Ha lavorato (1931-1958) presso gli osservatorî di monte Wilson e di monte Palomar, dedicandosi in particolare allo studio delle galassie, cui ha apportato importanti contributi.
German–American astronomer Walter Baade is remembered for three major contributions to observational, extragalactic astronomy: the recognition of two basic population types of stars, the characterization (with Fritz Zwicky) of supernovae as a distinct class of event with energy derived from the collapse of a normal star to a neutron star, and ...
