Einstein s profile, Einstein s profile

Albert Einstein (March 14, 1879 – April 18, 1955) was a world-famous German-American scientist and the founder and founder of modern physics.

Einstein graduated from the Technical University of Zurich in 1900 and began teaching at the university in 1909, becoming director of the Royal Wilhelm Institute of Physics and professor at the University of Berlin in 1914. He was forced to move to the United States and became a U.S. citizen in 1940.

The end of the 19th century was a period of change in physics, and Einstein made a fundamental breakthrough in theory by starting from experimental facts, examining the basic concepts of physics from a new perspective. Some of his achievements gave a significant boost to astronomy. His quantum theories have had a great influence on astrophysics, especially theoretical astrophysics.

The first mature aspect of theoretical astrophysics, the theory of stellar atmospheres, was built on the basis of quantum theory and radiation theory. Einstein's special theory of relativity succeeded in revealing the relationship between energy and mass, solving the long-standing conundrum of stellar energy**. In recent years, more and more high-energy physical phenomena have been discovered, and special relativity has become one of the most basic theoretical tools to explain this phenomenon.

Its general theory of relativity also solved a mystery in astronomy for many years, and deduced the phenomenon of bending light that was later verified, and became the theoretical basis for many later astronomical concepts.

Einstein's greatest contribution to astronomy was his cosmological theory. He founded relativistic cosmology, established a statically finite and boundless self-consistent dynamic model of the universe, and introduced new concepts such as cosmological principles and curved space, which greatly promoted the development of modern astronomy.

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Albert Einstein (March 14, 1879 – April 18, 1955), born in Ulm, Baden-Württemberg, Germany, was a modern physicist.

Albert Einstein was born into a Jewish family in Ulm, Germany, to Jewish parents. He graduated from ETH Zurich in 1900 and became a Swiss citizen. In 1905, Albert Einstein received a doctorate in physics from the University of Zurich, where he proposed the photon hypothesis and successfully explained the photoelectric effect (for which he was awarded the Nobel Prize in Physics in 1921). In the same year, he founded the special theory of relativity, and in 1915, he created the general theory of relativity.

He emigrated to the United States in 1933 and worked at the Institute for Advanced Study in Princeton, where he became a naturalized American citizen in 1940 while retaining Swiss citizenship. On April 18, 1955, Albert Einstein died in Princeton, New Jersey, USA, at the age of 76.

In December 1999, Albert Einstein was selected as the "Great Man of the Century" of the 20th century by Time Magazine.