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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 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 Hertzsprung-Russell diagram of stellar types was named (in part) for him.
- The Editors of Encyclopaedia Britannica
Ejnar Hertzsprung studied chemical engineering in Copenhagen, worked as a chemist in St. Petersburg, and studied photochemistry in Leipzig before returning to Denmark in 1901 to become an independent astronomer.
Ejnar Hertzsprung REVOLUTIONIZED the spectral classification of stars by adding a NEW DIMENSION of star characteristics in his famous HR diagram and discover...
Oct 8, 2019 · Ejnar Hertzsprung, a Danish astronomer, was born Oct. 8, 1873. Hertzsprung came of astronomical age at the very time that Antonia Maury and Annie Jump Cannon at Harvard College Observatory were publishing the results of their spectroscopic classification of the stars as part of the Henry Draper Memorial.
Oct 8, 2022 · On October 8, 1873 , Danish chemist and astronomer Ejnar Hertzsprung was born. Together with Henry Norris Russell, Hertzsprung developed the Hertzsprung–Russell diagram, a scatter graph of stars showing the relationship between the stars ‘ absolute magnitudes or luminosities versus their spectral classifications or effective temperatures ...
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May 9, 2018 · Early in the twentieth century, when Hertzsprung entered the field of astronomy, study of the physical nature of stars was still in its infancy. Stellar astronomy during the nineteenth century had been directed mainly toward determining positions and motions of the stars.
