WebHenrietta Swan Leavitt (4. heinäkuuta 1868 – 12. joulukuuta 1921) oli yhdysvaltalainen astronomi, joka kehitti luminositeetin eli tähtien säteilytehon mittamisen tutkiessaan sykkiviä Kefeiditähtiä.Hän julkaisi periaatteen vuosina 1908 ja 1912. Leavittin työn pohjalta Edwin Hubble ja Vesto Slipher määrittelivät, että universumi on laajeneva (Hubblen laki). WebHenrietta Swan Leavitt was an American astronomer and graduate of Radcliffe College, who worked as a computer at the Harvard College Observatory (HCO), where she …
Henrietta Swan Leavitt (1868 - 1921) - Genealogy
WebJan 13, 2024 · Henrietta Swan Leavitt. During her career, Leavitt catalogued more than 2,400 variable stars—about half of the known total in her day, without ever looking through a telescope. She catalogued alongside Williamina Fleming for the first part of her time at Harvard College Observatory and then with Annie Jump Cannon. In 1921, the new … WebJul 3, 2024 · Updated on July 03, 2024. Henrietta Swan Leavitt (1868-1921) was a U.S. astronomer whose work guided the field to understand distances in the universe. At a … bmw japan ホームページ
Remembering Astronomer Henrietta Swan Leavitt
WebMay 1, 2004 · Henrietta Swan Leavitt, the. ... She made this famous. and extremely valuable discovery on her own . initiative. Although Ejnar Hertzsprung was the first ... treatment that women scientists like ... WebJul 20, 1998 · Henrietta Swan Leavitt, (born July 4, 1868, Lancaster, Massachusetts, U.S.—died December 12, 1921, Cambridge, … WebMeet the Pets of I-Phyc Happy International Pet Day 💚 🐰 🐶 🐱 🐟 🐢 #internationalpetday #loveyourpets #team bmw ix 充電ケーブル