George Ellery Hale - Wikipedia
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 | Astronomer, Solar Physicist, Telescope …
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 | Department of Physics & Astronomy at …
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.
George Ellery Hale (1868–1938) | High Altitude Observatory
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 - Mount Wilson Observatory
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.
Celebrating Caltech's Founder and Builder of Large Telescopes
2018年6月29日 · 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.
Hale, George Ellery - Encyclopedia.com
2018年5月11日 · George Ellery Hale. The American astronomer George Ellery Hale (1868-1938) designed and built three great observatories, invented the spectroheliograph, and discovered magnetic fields in sunspots. George Ellery Hale was born on June 29, 1868, in Chicago, Illinois, the eldest surviving son of William Ellery Hale and Mary Scranton Browne. His ...
A founder’s passion set the stage for 120 years of breakthroughs
2024年3月20日 · George Ellery Hale at the spectrograph of the 60-foot solar tower telescope at Mount Wilson Observatory, circa 1908. Hale was determined to push beyond the descriptive astronomy of earlier generations to understand the internal physics of the Sun and the stars.
George Ellery Hale – Large Telescopes and the Spectroheliograph
On June 29, 1868, American solar astronomer George Ellery Hale was born. He is 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, including the 200-inch Hale reflecting telescope at Palomar Observatory.
George Ellery Hale Papers | Caltech Archives - California Institute …
George Ellery Hale (1868–1938) was an influential astrophysicist and science administrator. This collection of Hale’s scientific, professional, and personal papers documents his roles in inventing the spectrohelioscope, promoting international cooperation among scientists, and founding major observatories and other scientific institutions.