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...

Lavender (born 1986), British astronomer, author and journalist Henrietta Swan Leavitt (1868–1921), American astronomer who observed variable stars Nicole-Reine...

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

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