Astrophysics is becoming now an integral part of general Physics. Considering the Black Hole theory ,which is a new and exciting branch of relativistic astrophysics, we see many connections between elementary particle physics and astrophysics. In this article we attempt to explain the development of star Physics ,in an easy ,understandable manner. Previous knowledge of Relativistic theory or classical astrophysics is not needed. We hope that some of the problems of Black Hole and White Dwarf are explained in this presentation.
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