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Ejnar Hertzsprung (Copenaghen, 8 ottobre 1873 – Roskilde, 21 ottobre 1967) è stato un astronomo e chimico danese. Negli anni 1911 - 1913 sviluppò, assieme ad Henry Norris Russell , il Diagramma Hertzsprung-Russell .
Ejnar Hertzsprung ( Danish: [ˈɑjnɐ ˈhɛɐ̯tsˌpʁɔŋ]; 8 October 1873 – 21 October 1967) was a Danish chemist and astronomer. Career. Hertzsprung was born in Frederiksberg, Denmark, the son of Severin and Henriette. He studied chemical engineering at Copenhagen Polytechnic Institute, graduating in 1898.
Ejnar Hertzsprung (born Oct. 8, 1873, Frederiksberg, near Copenhagen, Den.—died Oct. 21, 1967, Roskilde) was a Danish astronomer who classified types of stars by relating their colour to their absolute brightness—an accomplishment of fundamental importance to modern astronomy.
- The Editors of Encyclopaedia Britannica
Ejnar Hertzsprung was a Danish astronomer who discovered the main sequence and the period-luminosity relation for Cepheid variables. He also measured the distance to the Small Magellanic Cloud and the proper motions, colors, and magnitudes of thousands of stars.
Ejnar Hertzsprung nacque a Copenaghen l’8 ottobre 1873. Si laureò in ingegneria chimica al Politecnico di Copenaghen nel 1898, quindi studiò fotochimica all’Università di Lipsia. Si interessò all’astronomia da suo padre, astronomo dilettante.
9 mag 2018 · Learn about the life and achievements of Ejnar Hertzsprung, a Danish astronomer who discovered the main sequence of stars and the relation between stellar spectra and luminosity. Find out how he used photography, spectroscopy, and blackbody radiation to study the physical nature of stars.
1 lug 2011 · “Nobody imagined that I should become an astronomer,” said Danish scientist Ejnar Hertzsprung. Indeed, when he was 20, his family sold his late father’s astronomy books. Nevertheless,...
