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Henrietta Swan Leavitt (/ ˈ l ɛ v ɪ t /; July 4, 1868 – December 12, 1921) was an American astronomer. [2] [1] [3] Her discovery of how to effectively measure vast distances to remote galaxies led to a shift in the scale and understanding of the scale and the nature of the universe. [4]
McDonald Observatory is an astronomical observatory located near unincorporated community of Fort Davis in Jeff Davis County, Texas, United States. The facility is located on Mount Locke in the Davis Mountains of West Texas , with additional facilities on Mount Fowlkes, approximately 1.3 kilometers (0.81 mi) to the northeast. [ 1 ]
John William Draper of New York University took the first detailed astrophotography of the Moon in 1840, his sons Henry Draper and Daniel Draper also later working in this vein. Leading telescope maker Henry Fitz first exhibited his instruments at the 1845 American Institute Fair , [ 12 ] [ 13 ] and showed fairgoers Comet Donati in 1858.
Foggy Bottom Observatory: 1951 Hamilton, New York, US Foothill Observatory: Los Altos Hills, California, US Ford Observatory: 1998 Ithaca, New York, US Fox Observatory: Sunrise, Florida, US Fox Park Public Observatory: 1999 Potterville, Michigan, US Francis Marion University Observatory: 1982 Florence, South Carolina, US Fred Lawrence Whipple ...
Harlan J. Smith at McDonald Observatory. Harlan James Smith (August 25, 1924 – October 17, 1991) was an American astronomer. [1] He served as director of the University of Texas McDonald Observatory from 1963 to 1989, where, among other accomplishments, he initiated the construction of the Harlan J. Smith Telescope, a 2.7-meter (107-inch) reflector bearing his name .
American astronomer Jesse Greenstein was interested in stellar spectra and used the newly built Otto Struve Telescope at McDonald Observatory to analyze the star's spectrum in detail. [42] In a 1942 paper, he reported that the spectrum is dominated by strong broad hydrogen lines.
Tombaugh was born in Streator, Illinois, son of Muron Dealvo Tombaugh, a farmer of Pennsylvania Dutch descent, [1] and his wife Adella Pearl Chritton on February 4, 1906. [2] He was the first of six children in the family with his sister, Esther being born 2 + 1 ⁄ 2 years after Clyde followed by his brother Roy in 1912, Charles in 1914 ...
Seyfert died in an automobile accident in Nashville on June 13, 1960; a residential street near the Dyer Observatory was subsequently renamed "Carl Seyfert Memorial Drive" in his honor. A 1949 oil portrait of Seyfert by his wife Muriel Mussels Seyfert, who was a former Harvard computer, hangs in the Dyer Observatory. [3]