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...structure of the planets, including the earth, can be understood best by studying the behavior of matter under very high pressure. Such is the theory of Astrophysicist William Henderson Ramsey of Britain's University of Manchester. The simplest example is Jupiter, which Ramsey thinks is made largely of hydrogen. Near the surface where pressure is low, the hydrogen is in gaseous form. Deeper down it turns into a nonmetallic solid. It is still too light to account for the density of Jupiter's interior...

Author: /time Magazine | Title: Science: Pressure Metals | 12/27/1954 | See Source »

While teaching here in 1951, Dutch astrophysicist H. C. van de Hulst gathered some information and equipment from Ewen and transmitted them to Leiden University astronomers. Work done at Kootwijk with slightly different equipment verified Ewen's report, which was further confirmed by the findings of an Australian radio telescope...

Author: By David C. D. rogers, | Title: Observatory Builds Radio Telescope To Probe Structure of Galaxy | 11/13/1952 | See Source »

This week Astrophysicist Fritz Zwicky of CalTech announced his conclusion that these filaments are probably the rule in space, rather than the exception. With the 48-inch Schmidt telescope on Palomar Mountain he found hundreds of luminous "bridges" connecting widely separated galaxies. The length of one curved bridge, sharp as a lighted boulevard, is more than 72,000 light-years (430,000 trillion miles...

Author: /time Magazine | Title: Science: Bridges in Space | 11/10/1952 | See Source »

...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...

Author: /time Magazine | Title: Science: Look Upward | 2/9/1948 | See Source »

...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...

Author: /time Magazine | Title: Science: Rockets to the Moon | 7/21/1947 | See Source »

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