Search results
Oct. 21, 1967
- 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.
www.britannica.com › biography › Ejnar-HertzsprungEjnar Hertzsprung | Stellar classification, Astronomical ...
People also ask
Who is Ejnar Hertzsprung?
When did Ejnar Hertzsprung die?
When did Hertzsprung start astronomy?
Where did Hertzsprung grow up?
Ejnar Hertzsprung ( Danish: [ˈɑjnɐ ˈhɛɐ̯tsˌpʁɔŋ]; 8 October 1873 – 21 October 1967) was a Danish chemist and astronomer.
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
Date of Death. : October 21, 1967. 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.
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.
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.
Ejnar Hertzsprung. 1873-1967. Danish Astronomer. Ejnar Hertzsprung introduced the concept of absolute magnitude, the intrinsic brightness of a star. He worked out the relationship between a star's brightness and its color (which indicates its surface temperature) at different stages in its evolution.
Dec 24, 2016 · The death of his brother the next year brought Hertzsprung back to Copenhagen to live with his mother and to begin investigations of applications of photography; he began work at both Copenhagen University Observatory and at the private Urania Observatory of Victor Nielsen.
