Black And White Holes The notion of a black hole is inextricably linked with the birth of stars. All particles of a newborn star (protostar), of which it is formed, are attracted to its center of gravity forces, meeting no resistance. Therefore, the star begins to shrink. As the contraction of the protostar, the temperature increases, and occurs in the nucleus of a thermonuclear reaction. As the temperature in the inner layers of the star increases the internal pressure which tends to loosen it. When Contraction occurs balance (gravity) and decompresses the forces (centrifugal forces and internal pressure), protostar becomes a star, and can exist in a stable condition billions of Earth years. When burn out all the hydrogen and helium in turn, old age comes the star. And then - death. Large and small stars are dying in different ways. Small stars, which include our Sun, do not die so spectacularly as massive. When gravitational forces are directed into our solar balanced by the forces of repulsion that exist between individual particles, the compression stop, and the sun gradually cooled down and turned into a white dwarf. Otherwise, things with big stars. Continue to learn more with: Chase Koch, Wichita KS. There are two possibilities. If after a certain compression star still retained a certain amount of matter that could explode, it explodes, releasing its outer layers into space. However, if the mass of the large star is much greater than twice the mass of our Sun, its ability to explode sooner or later run out. It will continue to shrink to a critical radius and critical density.
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