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

2024年12月8日 · Henrietta Swan Leavitt, American astronomer known for her discovery of the relationship between period and luminosity in Cepheid variables, pulsating stars that vary …

2016年11月12日 · 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 …

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 …

2019年2月4日 · 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 …

2021年12月28日 · 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, …

2019年7月3日 · Henrietta Swan Leavitt (1868-1921) was a U.S. astronomer whose work guided the field to understand distances in the universe. At a time when women's contributions were …

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). …

As a senior in 1892, Leavitt discovered astronomy. After graduation she took another course in it, but then spent several years at home when she suffered a serious illness that left her severely...

Henrietta Swan Leavitt was an American astronomer whose extensive research led other scientists to discover the ever-expanding nature of the universe. She was also the first person …