Word: astrophysicists
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Dates: during 1940-1949
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...Astrophysicist Fritz Zwicky of CalTech (who doubles in rocket propulsion) hopes to go gunning with the 200-inch for neutron stars and gravitational lenses. Various theories of stellar evolution tell how stars may be born and decline to stellar senility. Zwicky thinks that the last stage may be a star made up chiefly of neutrons. Since neutrons are very much denser than atoms, such stars might be only ten miles in diameter. Every cubic centimeter of their volume would weigh, Zwicky figures, about one million tons...
...Observers tied to the earth ... are doomed to the role of blind men, since the interfering atmosphere prevents them from seeing most celestial objects in their true nature." So says California Institute of Technology's famed astrophysicist, Dr. Fritz Zwicky, who last week announced that science would soon try to remove their blinders...
Scientists in general have given surprisingly little study to the effects of the sun on the weather. But Astrophysicist Abbot has been watching solar radiation with heliotrope devotion for 49 years. Twenty-five years ago he began to take daily recordings of solar heat. The Smithsonian set up delicate measuring instruments on three mountaintops in desert areas which averaged 300 cloudless days a year-Table Mountain, Calif., Burro Mountain, N. Mex. and Mt. Montezuma, Chile...
Cornell's brilliant, Alsatian-born astrophysicist Hans Albrecht Bethe thus elaborated his already famed theory of the source of stellar energy (TIME, Feb. 27, 1939) in a lecture under the auspices of Sigma Xi, national science honor society, now published...
...long will this go on? Ten thousand billion years more, says the University of Chicago's astrophysicist, Subrahmanyan Chandrasekhar, whose book, Principles of Stellar Dynamics, has just been published (University of Chicago Press; $5). Beginning with a compact, enormously dense mass of some eight billion degrees Centigrade (TIME, June 1), the Milky Way galaxy has been expanding for three billion years, will continue to expand for at least 9,997 billion more. By then it should be completely relaxed, the stars will all have the same velocity, and will begin to slip away from the galaxy like molecules...