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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
May 9, 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.
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.
The diagram was created independently in 1911 by Ejnar Hertzsprung and by Henry Norris Russell in 1913, and represented a major step towards an understanding of stellar evolution.
Oct 8, 2022 · Learn about the life and achievements of Ejnar Hertzsprung, a Danish chemist and astronomer who developed the Hertzsprung-Russell diagram with Henry Norris Russell. The diagram shows the relationship between the stars' luminosity and temperature, and is a fundamental tool for studying stellar evolution.
Learn about the Danish astronomer who introduced the concept of absolute magnitude and the Hertzsprung-Russell diagram. Find out his biography, achievements, and publications in this comprehensive article.
