• Thumbnail for Henrietta Swan Leavitt
    Henrietta Swan Leavitt (/ˈlɛvɪt/; July 4, 1868 – December 12, 1921) was an American astronomer. Her discovery of how to effectively measure vast distances...
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  • Thumbnail for Cepheid variable
    characteristic of classical Cepheids was discovered in 1908 by Henrietta Swan Leavitt after studying thousands of variable stars in the Magellanic Clouds...
    37 KB (4,170 words) - 19:48, 20 April 2024
  • Thumbnail for Harvard Computers
    discerned in the spectra a way to assess the relative sizes of stars, and Henrietta Leavitt showed how the cyclic changes of certain variable stars could serve...
    18 KB (2,376 words) - 01:32, 9 February 2024
  • Thumbnail for Period-luminosity relation
    Classical Cepheid variables, sometimes called the Leavitt Law. Discovered in 1908 by Henrietta Swan Leavitt, the relation established Cepheids as foundational...
    20 KB (2,319 words) - 18:00, 15 April 2024
  • Thumbnail for Edwin Hubble
    variable's luminosity and pulsation period (discovered in 1908 by Henrietta Swan Leavitt) for scaling galactic and extragalactic distances. Hubble provided...
    49 KB (5,081 words) - 16:49, 25 April 2024
  • (lost to Moonlight) African-American women in computer science Henrietta Swan Leavitt Kathaleen Land List of black films of the 2010s List of films about...
    61 KB (6,518 words) - 20:28, 6 April 2024
  • Thumbnail for Henrietta (given name)
    cell line Henrietta Swan Leavitt (1868–1921), American astronomer Henrietta Amelia Leeson (1751–1826), English actress Henrietta Liston (1752–1828), British...
    8 KB (759 words) - 06:59, 15 February 2024
  • Thumbnail for List of women astronomers
    Lavender (born 1986), British astronomer, author and journalist Henrietta Swan Leavitt (1868–1921), American astronomer who observed variable stars Nicole-Reine...
    21 KB (2,306 words) - 16:46, 29 April 2024
  • Thumbnail for Radcliffe College
    Maxine Kumin, Pulitzer Prize–winning poet Ursula Le Guin, author Henrietta Swan Leavitt, early Harvard College Observatory astronomer Judith Ledeboer, architect...
    66 KB (8,975 words) - 06:11, 29 April 2024
  • Thumbnail for Annie Jump Cannon
    spectra. Cannon and the other women at the observatory, including Henrietta Swan Leavitt, Antonia Maury, and Florence Cushman, were criticized at first for...
    35 KB (3,452 words) - 20:31, 31 March 2024
  • Thumbnail for Cecilia Payne-Gaposchkin
    century by Williamina Fleming, Antonia Maury, Annie Jump Cannon, and Henrietta Swan Leavitt. However, with Payne's PhD, women entered the mainstream. The trail...
    40 KB (4,017 words) - 23:55, 29 April 2024
  • Thumbnail for Women in physics
    optics, partially named after Hilda Hänchen Leavitt's law in astronomy, named after Henrietta Swan Leavitt Peccei–Quinn theory in particle physics, partially...
    79 KB (7,798 words) - 03:06, 22 April 2024
  • Hart Day Leavitt (1909–2008), American teacher and amateur jazz musician Henrietta Swan Leavitt (1868–1921), American astronomer Hiram Leavitt (1824–1901)...
    7 KB (872 words) - 20:25, 21 March 2024
  • Thumbnail for Timeline of women in science
    Norwegian Academy of Science and Letters. 1912: American astronomer Henrietta Swan Leavitt studied the bright-dim cycle periods of Cepheid stars, then found...
    193 KB (19,007 words) - 00:38, 12 April 2024
  • Thumbnail for Harvard–Smithsonian Center for Astrophysics
    Cannon, Henrietta Swan Leavitt, Florence Cushman and Antonia Maury, all widely recognized today as major figures in scientific history. Henrietta Swan Leavitt...
    27 KB (2,960 words) - 20:51, 4 September 2023
  • Thumbnail for Computer (occupation)
    computers with possibly the best-known being Florence Cushman, Henrietta Swan Leavitt, and Annie Jump Cannon, who worked with Pickering from 1888, 1893...
    23 KB (2,730 words) - 12:52, 9 April 2024
  • Thumbnail for Leavitt (crater)
    The crater is named after Henrietta Swan Leavitt, a Harvard astronomer. The crater was named to honor deaf people, like Leavitt, who have made substantial...
    5 KB (455 words) - 02:06, 26 January 2024
  • Thumbnail for Messier 81
    their periods using the period-luminosity relation discovered by Henrietta Swan Leavitt. List of galaxies List of Messier objects Messier object New General...
    23 KB (2,045 words) - 22:40, 1 March 2024
  • Thumbnail for History of astronomy
    noted by the women "computers" and reported to their supervisors. Henrietta Swan Leavitt discovered the cepheid variable star period-luminosity relation...
    81 KB (10,061 words) - 14:55, 4 March 2024
  • (b. 1845) 1913 – Menelik II, Ethiopian emperor (b. 1844) 1921 – Henrietta Swan Leavitt, American astronomer and academic (b. 1868) 1923 – Raymond Radiguet...
    78 KB (6,264 words) - 15:12, 30 April 2024
  • Jump Cannon, who developed the stellar classification system, and Henrietta Swan Leavitt, who discovered the means to measure the distance from a star to...
    86 KB (3,853 words) - 02:40, 13 March 2024
  • Kingdom, 1799–1880) Joseph Jean Pierre Laurent (France, fl. 1858) Henrietta Swan Leavitt (United States, 1868–1921) Typhoon Lee (United States and Taiwan...
    125 KB (5,434 words) - 17:22, 13 April 2024
  • Thumbnail for Williamina Fleming
    Charles Pickering. The group included Harvard computer and astronomer Henrietta Swan Leavitt, Annie Jump Cannon, Williamina Fleming, and Antonia Maury....
    20 KB (2,017 words) - 21:54, 25 March 2024
  • observations of galactic rotation curves in the 1970s. Stars luminosity Henrietta Swan Leavitt was an American astronomer who discovered the relation between the...
    65 KB (7,595 words) - 20:39, 16 April 2024
  • Bois 1890 Fisk University Bainbridge Colby 1890 Williams College Henrietta Swan Leavitt 1892 Radcliffe College Edward E. Wilson 1892 Williams College Learned...
    50 KB (1,275 words) - 13:45, 1 May 2024
  • Thumbnail for Harlow Shapley
    period-luminosity relation for Cepheid variable stars (discovered by Henrietta Swan Leavitt) to determine distances to globular clusters. He was instrumental...
    32 KB (3,244 words) - 18:25, 1 April 2024
  • x-ray diffraction 1912: Vesto Slipher: galactic redshifts 1912: Henrietta Swan Leavitt: Cepheid variable period-luminosity relation 1913: Henry Moseley:...
    90 KB (10,194 words) - 18:23, 14 April 2024
  • stars with their pulsation period. Named for American astronomer Henrietta Swan Leavitt. Lehman's laws of software evolution Leibniz's law is a principle...
    76 KB (10,163 words) - 16:16, 1 May 2024
  • Thumbnail for Harvard College Observatory
    important to astronomy, as many women including Annie Jump Cannon, Henrietta Swan Leavitt, Cecilia Payne-Gaposchkin, Williamina Fleming, and Florence Cushman...
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  • Thumbnail for Lancaster, Massachusetts
    denomination, founded South Lancaster Academy Caroline Lee Hentz, novelist Henrietta Swan Leavitt, astronomer who discovered the relation between the luminosity and...
    17 KB (1,924 words) - 18:17, 13 April 2024