Henrietta Swan Leavitt (/ˈlɛvɪt/; July 4, 1868 – December 12, 1921) was an American astronomer. Her discovery of how to effectively measure vast distances...

characteristic of classical Cepheids was discovered in 1908 by Henrietta Swan Leavitt after studying thousands of variable stars in the Magellanic Clouds...

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...

Classical Cepheid variables, sometimes called the Leavitt Law. Discovered in 1908 by Henrietta Swan Leavitt, the relation established Cepheids as foundational...

variable's luminosity and pulsation period (discovered in 1908 by Henrietta Swan Leavitt) for scaling galactic and extragalactic distances. Hubble provided...

(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...

cell line Henrietta Swan Leavitt (1868–1921), American astronomer Henrietta Amelia Leeson (1751–1826), English actress Henrietta Liston (1752–1828), British...

Maxine Kumin, Pulitzer Prize–winning poet Ursula Le Guin, author Henrietta Swan Leavitt, early Harvard College Observatory astronomer Judith Ledeboer, architect...

optics, partially named after Hilda Hänchen Leavitt's law in astronomy, named after Henrietta Swan Leavitt Peccei–Quinn theory in particle physics, partially...

Charles Pickering. The group included Harvard computer and astronomer Henrietta Swan Leavitt, Annie Jump Cannon, Williamina Fleming, and Antonia Maury....

spectra. Cannon and the other women at the observatory, including Henrietta Swan Leavitt, Antonia Maury, and Florence Cushman, were criticized at first for...

Hart Day Leavitt (1909–2008), American teacher and amateur jazz musician Henrietta Swan Leavitt (1868–1921), American astronomer Hiram Leavitt (1824–1901)...

their periods using the period-luminosity relation discovered by Henrietta Swan Leavitt. List of galaxies List of Messier objects Messier object New General...

Physics. April 4 Philippa Fawcett (died 1948), English mathematician. Henrietta Swan Leavitt (died 1921), American astronomer April 5 – Percy Furnivall (died...

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...

(b. 1845) 1913 – Menelik II, Ethiopian emperor (b. 1844) 1921 – Henrietta Swan Leavitt, American astronomer and academic (b. 1868) 1923 – Raymond Radiguet...

observations of galactic rotation curves in the 1970s. Stars luminosity Henrietta Swan Leavitt was an American astronomer who discovered the relation between the...

Norwegian Academy of Science and Letters. 1912: American astronomer Henrietta Swan Leavitt studied the bright-dim cycle periods of Cepheid stars, then found...

noted by the women "computers" and reported to their supervisors. Henrietta Swan Leavitt discovered the cepheid variable star period-luminosity relation...

computers with possibly the best-known being Florence Cushman, Henrietta Swan Leavitt, and Annie Jump Cannon, who worked with Pickering from 1888, 1893...

century by Williamina Fleming, Antonia Maury, Annie Jump Cannon, and Henrietta Swan Leavitt. However, with Payne's PhD, women entered the mainstream. The trail...

survey photographically both the Large and Small Magellanic Clouds. Henrietta Swan Leavitt, an astronomer at the Harvard College Observatory, used the plates...

Cannon, Henrietta Swan Leavitt, Florence Cushman and Antonia Maury, all widely recognized today as major figures in scientific history. Henrietta Swan Leavitt...

denomination, founded South Lancaster Academy Caroline Lee Hentz, novelist Henrietta Swan Leavitt, astronomer who discovered the relation between the luminosity and...

stars with their pulsation period. Named for American astronomer Henrietta Swan Leavitt. Lehman's laws of software evolution Leibniz's law is a principle...

Victor Babeș, Romanian physician and biologist (d. 1926) 1868 – Henrietta Swan Leavitt, American astronomer and academic (d. 1921) 1886 – Tom Longboat...

x-ray diffraction 1912: Vesto Slipher: galactic redshifts 1912: Henrietta Swan Leavitt: Cepheid variable period-luminosity relation 1913: Henry Moseley:...

important to astronomy, as many women including Annie Jump Cannon, Henrietta Swan Leavitt, Cecilia Payne-Gaposchkin, Williamina Fleming, and Florence Cushman...

recruited over 80 women to work for him, including Annie Jump Cannon, Henrietta Swan Leavitt, Antonia Maury, and Florence Cushman. It was very unusual for such...

Jump Cannon, who developed the stellar classification system, and Henrietta Swan Leavitt, who discovered the means to measure the distance from a star to...