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Henrietta Swan Leavitt (4 iulie 1868, Lancaster, Massachusetts—12 decembrie 1921, Cambridge, Massachusetts) a fost o astronomă americană renumită pentru munca sa privitoare la stelele variabile. Biografie [ modificare | modificare sursă ]
27 de jun. de 2023 · Henrietta Swan Leavitt discovered a relationship between the period of a star's brightness cycle to its absolute magnitude. The discovery made it possible to calculate their distance from Earth ...
Henrietta Swan Leavitt (ur. 4 lipca 1868 w Lancaster, Massachusetts, zm. 12 grudnia 1921 w Cambridge, Massachusetts) – amerykańska astronom.
美国女天文学家. 亨丽爱塔·勒维特， 美国 女天文学家，聋哑人，造父变星周光关系的发现者。. 勒维特1868年出生于美国 马萨诸塞州 的兰开斯特。. 中文名. 亨丽爱塔·勒维特. 出生日期. 1868年. 职 业. 天文学家.
Henrietta Swan Leavitt ( Lancaster, 4 luglio 1868 – Cambridge, 12 dicembre 1921) è stata un' astronoma statunitense . È ricordata per i suoi importanti studi sulla posizione e luminosità delle stelle. Grazie al suo lavoro stabilì una relazione fra la luminosità delle Cefedi e il ritmo delle loro pulsazioni.
12 de dic. de 2021 · By. Home / Remembering Astronomer Henrietta Swan Leavitt. 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. After nearly 30 years at the Harvard College Observatory, Leavitt and her stars, hidden by rain clouds, parted ways.
Variable Stars. Written by Peggy Wargelin, Wolbach Library, 2018. Leavitt identified variable stars by gathering five images of one section of sky from different nights (four glass negatives and a positive print of a fifth) and overlaying each negative in turn on the positive print. Stars of constant brightness neutralized the differences ...
