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Karl schwarzschild (karl schwarzschild)

Karl schwarzschild is the father of German physicist, astronomer and astrophysicist martin schwarzschild.

all one's life

Born in Frankfurt. A child prodigy also published a paper on planetary orbits at the age of sixteen. He studied in Strasbourg and Munich, and received his doctorate in 1896. His research direction is the theory put forward by Zhu Lei Henry Poincare.

From 1897, he worked as an assistant at Kuffner Sternwarte (Observatory) in Vienna. There, he developed a formula to calculate the properties of photographic materials, including an index, which is now called Schwarzschild index.

From 190 1 to 1909, he became a professor at a famous school in gutinggen. There, he had the opportunity to work with some great masters, including david hilbert and hermann minkowski. Schwarzenegger became the owner of the Guttingen Observatory. 1909, he was transferred to the astrophysical observatories in the palaces and parks in Potsdam and Berlin.

Since 19 12, Schwarzschild has been a member of the Prussian Academy of Sciences.

19 14 When World War I broke out, he joined the German army, even though he was over 40. His service positions included the eastern and western front lines, and he was promoted to artillery captain.

Main research

19 15 wrote two major papers, one on relativity and the other on quantum theory, while serving in Russia. His research on the theory of relativity obtained the first set of exact solutions of the theoretical equation of generalized gravity (see Schwarzschild solution); One of them is aimed at "non-rotating, spherically symmetric celestial bodies", and the other is aimed at "empty, static and isotropic space" around any mass star. Since the second one, he has done pioneering work on classical black holes, so two properties of black holes are named after him-schwarzschild metric and schwarzschild radius.

He sent the paper to Einstein, who later helped publish it in the Journal of Prussian Academy of Sciences. However, at the time of publication, Schwarzenegger had died of illness.

In astronomy, he used photography to measure variable stars. He also devoted himself to improving the optical system and invented the perturbation equation to study geometric aberration.

stop

It is said that he died of illness in the trenches on the Russian front. Another theory is that he died of a rare metabolic disorder.