Search results
George Ellery Hale (June 29, 1868 – February 21, 1938) was an American astrophysicist, best known for his discovery of magnetic fields in sunspots, and as the leader or key figure in the planning or construction of several world-leading telescopes; namely, the 40-inch refracting telescope at Yerkes Observatory, 60-inch Hale reflecting ...
George Ellery Hale (ur. 29 czerwca 1868 w Chicago, zm. 21 lutego 1938 w Pasadenie) – amerykański astronom, popularyzator astronomii i badań astronomicznych, założyciel lub współzałożyciel kilku obserwatoriów astronomicznych. Hale to również konstruktor przyrządów astronomicznych np.
George Ellery Hale (born June 29, 1868, Chicago, Ill., U.S.—died Feb. 21, 1938, Pasadena, Calif.) was an American astronomer known for his development of important astronomical instruments, including the Hale Telescope, a 200-inch (508-cm) reflector at the Palomar Observatory, near San Diego.
George Ellery Hale (1868-1938) founded the Observatory in 1904 and directed it until his retirement in 1923. In the photograph above, taken around 1905, he is working in his office in the Monastery, the dormitory for astronomers on the mountain. Shining Bright Like the Sun. by Marilyn Morgan.
Hale's most acclaimed scientific work was his demonstration that sunspots have strong magnetic fields. Hale's Polarity Law shows evidence of the existence of a well-organized large-scale magnetic field in the solar interior that cyclically changes polarity on average every 11 years.
George Ellery Hale. 1916. Date of Birth. : June 29, 1868. Date of Death. : February 21, 1938. George Hale began studying the solar spectrum as a wealthy teenager in Chicago. As an undergraduate at the Massachusetts Institute of Technology he invented the spectroheliograph.
29 cze 2018 · Celebrating Caltech's Founder and Builder of Large Telescopes. June 29, 2018. When George Ellery Hale climbed Mount Wilson, a nearly 6,000-foot peak rising high above Pasadena, in 1903, he had a vision for building a new and bigger window to the cosmos. He had already built the world's largest telescope at the University of Chicago's Yerkes ...
