Ejnar Hertzsprung information

Ejnar Hertzsprung (Danish: [ˈɑjnɐ ˈhɛɐ̯tsˌpʁɔŋ]; 8 October 1873 – 21 October 1967) was a Danish chemist and astronomer. Hertzsprung was born in Frederiksberg...

include the Sun. Color-magnitude plots are known as Hertzsprung–Russell diagrams after Ejnar Hertzsprung and Henry Norris Russell. After condensation and...

stars. The gap is named after Ejnar Hertzsprung, who first noticed the absence of stars in the region of the Hertzsprung–Russell diagram between A5 and...

architect and archeologist Ejnar Emborg (1888–1963), Danish composer Ejnar Hansen (1898–1947), Danish wrestler Ejnar Hertzsprung (1873–1967), Danish chemist...

18, 1957) was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). In 1923, working with Frederick...

different luminosity despite similar temperature or spectral type by Ejnar Hertzsprung about 1905. Giant stars have radii up to a few hundred times the Sun...

maint: location missing publisher (link) CS1 maint: others (link) Hertzsprung, Ejnar (June 1917). "Karl Schwarzschild". The Astrophysical Journal. 45:...

astronomers Harry Wood, Cyril Jackson, Hendrik van Gent, Ernest Johnson, Ejnar Hertzsprung, Jacobus Bruwer and Joseph Churms (see § List of discovered minor...

their temperature and mass. In 1913, the Hertzsprung-Russell diagram was developed by astronomers Ejnar Hertzsprung and Henry Norris Russell independently...

have worked or directed the observatory include Willem de Sitter, Ejnar Hertzsprung and Jan Oort. Leiden University established the observatory in 1633;...

He was the first student to earn his PhD (at the age of 22) with Ejnar Hertzsprung at Leiden University. In 1921 he left for the United States where...

Polaris had been suspected since 1852; this variation was confirmed by Ejnar Hertzsprung in 1911. The range of brightness of Polaris is given as 1.86–2.13...

Østrup (1845–1917) botanist, phycologist, mainly working on diatoms Ejnar Hertzsprung (1873–1967 in Roskilde), chemist and astronomer Hans Helbæk (1907–1981)...

Mly This was the first intergalactic distance measured. In 1913, Ejnar Hertzsprung measures the distance to SMC using Cepheid variables. In 1914, he...

light from the star (and that of the star Alcyone). Calculations by Ejnar Hertzsprung in 1913 lend credence to that hypothesis. Edwin Hubble further distinguished...

observations to be useful. One year after Leavitt reported her results, Ejnar Hertzsprung determined the distance of several Cepheids in the Milky Way; with...

changed their spectral types over the course of a cycle. In 1913, Ejnar Hertzsprung attempted to find distances to 13 Cepheids using their motion through...

Hertzsprung-Russell diagram was developed, propelling the astrophysical study of stars. In Potsdam in 1906, the Danish astronomer Ejnar Hertzsprung published...

with the surname include: Bernd Herzsprung (born 1942), German actor Ejnar Hertzsprung Hannah Herzsprung (born 1981), German actress, daughter of Bernd This...

fellow students Bart Bok and Pieter Oosterhoff, and was taught by Ejnar Hertzsprung, Antonie Pannekoek, Willem de Sitter, Jan Woltjer, Jan Oort, and the...

separate satellites of the Milky Way. Distances were first estimated by Ejnar Hertzsprung in 1913 using 1912 measurements of Cepheid variables in the SMC by...

The term was originally coined in 1906 when the Danish astronomer Ejnar Hertzsprung noticed that the reddest stars – classified as K and M in the Harvard...

system larger than a small brown dwarf or large exoplanet. In 1909, Ejnar Hertzsprung was the first to suggest that Sirius was a member of the Ursa Major...

bacteriological chemist and refrigeration engineer (d. 1952) 1873 – Ejnar Hertzsprung, Danish chemist and astronomer (d. 1967) 1873 – Alexey Shchusev, Russian...

and politician, 32nd Prime Minister of Japan (b. 1878) October 21 – Ejnar Hertzsprung, Danish chemist and astronomer (b. 1873) October 29 – Julien Duvivier...

relation, in 1913 the distance to the SMC was first estimated by Ejnar Hertzsprung. First he measured thirteen nearby cepheid variables to find the absolute...