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Fritz Zwicky
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Fritz Zwicky
The Columbia Encyclopedia, Sixth Edition
Fritz Zwicky , 1898-1974, Swiss-American astrophysicist, b. Bulgaria, educated at Zürich. Associated with the California Institute of Technology after his arrival in the United States in 1925, he became professor of astrophysics in 1942 and emeritus professor in 1972. He discovered more than 120 supernovas and with Rudolf Minkowski and Walter Baade he developed several models to explain their occurrence. Decades before the observational discovery of neutron stars , Zwicky suggested that the Crab Nebula in Taurus originated in a supernova. He is also known for his study of jet propulsion, cosmic rays, crystals, and slow electrons and ions in gases.
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The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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Fritz Zwicky
...discovered 18; only about 12 had been recorded previously in the entire history of astronomy. In the years 1943–46, with Theodore von Karman and others, he helped develop early jet-propulsion systems. Fritz Zwicky Fritz Zwicky Fritz Zwicky
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Zwicky, Fritz
Zwicky, Fritz (1898–1974)Swissastronomer, born...the Crab Pulsar was identified in 1968. Zwicky observed supernovae in other galaxies, and began a long study of galaxy clusters (see Zwicky Catalogue ). He also drew attention to...
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Walter Baade
...necessary to double the cosmic-distance scale, i.e., the distances between external galaxies and the Milky Way . With Fritz Zwicky and Rudolf Minkowski he distinguished two types of supernova based on their spectra and on their maximum absolute magnitudes...
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supernova
...on earth from such an event (see neutrino astronomy ). Theoretical Models of SupernovasType I Supernovas In the 1930s Fritz Zwicky, Walter Baade, and Rudolph Minkowski developed several models of supernova events. In a star about to become a Type...
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Pulsars
...oriented in the right direction. In 1934, just two years after the discovery of the neutron, astronomers Walter Baade and Fritz Zwicky predicted that neutron stars should exist. Five years later, Robert Oppenheimer and George Volkoff published a detailed...
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