Dec 8, 2024 · Henrietta Swan Leavitt, American astronomer known for her discovery of the relationship between period and luminosity in Cepheid variables, pulsating stars that vary …

Henrietta Swan Leavitt (/ ˈlɛvɪt /; July 4, 1868 – December 12, 1921 [2]) was an American astronomer. [1] Her discovery of how to effectively measure vast distances to remote galaxies …

Dec 28, 2021 · On the evening of December 12, 1921, as 53-year old astronomer Henrietta Swan Leavitt succumbed to cancer, heavy rains fell from the skies over Cambridge, Massachusetts. …

Henrietta Leavitt was an astronomer who opened the door to a dramatic enlargement in the size of the known universe. She found that a certain type of star, the Cepheid variable, pulses at a …

Nov 12, 2016 · Henrietta Swan Leavitt was a Harvard "computer" — one of several women in the early 1900s who studied photographic plates for fundamental properties of stars. Leavitt is …

Jul 5, 2018 · At Harvard College Observatory in the late 19th and early 20th century, Henrietta Swan Leavitt developed a powerful new tool for estimating the distances of stars and galaxies.

Henrietta Swan Leavitt (July 4, 1868 - December 12, 1921) was an American astronomer who worked at the Harvard College Observatory from 1893 until her death in 1921 (Johnson, p.25).

American astronomer who established a standard by which to chart the magnitude of the stars and discovered the period-luminosity of Cepheid variable stars during her 26-year career.

Jan 13, 2020 · Henrietta Swan Leavitt’s contribution to the field of astronomy is that she gave us the tools to map out the stars in the universe. She discovered the correlation between Period …

Feb 4, 2019 · Henrietta Swan Leavitt was one of many women “computers” who worked at Harvard University, cataloging stars around the turn of the last century. Women could be paid …