Einstein/Kloc-graduated from Zurich University of Technology in 0/900, and began to teach in this university in 0/909. 19 14 was the director of the Royal William Institute of Physics and a professor at the University of Berlin. He was forced to immigrate to the United States and became an American citizen on 1940.
/kloc-the late 0/9th century is a period of change in physics. Einstein re-examined the basic concepts of physics from the experimental facts and made a fundamental breakthrough in theory. Some of his achievements greatly promoted the development of astronomy. His quantum theory has a great influence on astrophysics, especially theoretical astrophysics. The first mature aspect of theoretical astrophysics-stellar atmosphere theory is based on quantum theory and radiation theory. Einstein's special theory of relativity successfully revealed the relationship between energy and mass and solved the long-standing problem of stellar energy. In recent years, more and more high-energy physical phenomena have been discovered, and special relativity has become the basic theoretical tool to explain this phenomenon. His general theory of relativity also solved a mystery in astronomy for many years, and deduced the phenomenon of light bending that was later verified, which became the theoretical basis of many astronomical concepts later.
Einstein's greatest contribution to astronomy is his cosmology. He founded relativistic cosmology, established a static finite and infinite self-consistent dynamic universe model, and introduced new concepts such as cosmology principle and curved space, which greatly promoted the development of modern astronomy.