CURRENT UNIVERSE 'NATO ABOUT 14 BILLION YEARS AGO WITH AN ENORMOUS EXPLOSION WHICH IS TO BE THE NAME OF "BIG BANG". DUE TO THE EXPLOSION, THE UNIVERSE 'is still growing. PROCEED WITH THE TEMPERATURE EXPANSION OF THE UNIVERSE is gradually decreased, but THERE IS 'STILL A SOLID, THE Cosmic Background Radiation, with a temperature of 3 degrees Kelvin. The mathematical model that explains the formation ELEMENTARY PARTICLE IMMEDIATELY AFTER THE BIG BANG ARE VERY COMPLEX. WE CAN SAY THAT SIMPLIFY AFTER A millionth of a second begin to form protons and neutrons (from the fusion of quarks and gluons) and after a minute begin to form helium nuclei and deuterium (hydrogen isotopes). 379,000 YEARS AFTER begin to form atoms of hydrogen and helium. From this moment begins to form huge clouds of gas and dust from which stars form ARE. Stars are born GROUPED IN GALAXIES. A galaxy is' a huge collection of stars and interstellar dust. REGARDING THE SIZE OF A GALAXY, ranges from dwarf galaxies which are formed by a few million stars to giant galaxies that reach a trillion STARS. WHICH BELONGS TO THE GALAXY HAS SHAPED OUR SOLE AND SPIRAL 'made up of 200 billion stars AND THE SUN IS UP IN THE SUBURBS OF THE SPIRAL ARM. Apart from two satellite galaxies of our THE galaxies 'near us and' The Andromeda Galaxy MADE FROM 300 BILLION STARS AND AWAY FROM U.S. 2 MILLION AND A HALF YEARS OF LIGHT: light traveling at 300 thousand kilometers per second USING 2 MILLION AND A HALF YEARS TO COME UP WITH OUR EYES FROM ANDROMEDA. NOT 'not yet clear whether the universe is expanding DURER' infinity or IF it stop 'to return to the starting point (BIG CRUNCH) CIO' depends on the total mass THIS IN OUR UNIVERSE. According to this theory to the BIG CRUNCH FOLLOW ANOTHER BIG BANG WITH THE CREATION OF A NEW WORLD AND SO 'VIA.
