About Our SUN, and how its working,and what happening the sun is disapppieared ??? At the centre of the sun is the core, this is heart of the sun where 99% the nuclear fusion takes place, and even this is about 200,000 miles across, 16,000 times the size of earth. As the mass of the sun's core is so great, the effect of gravity is so strong that the pressure in the core is about 265 billion times greater than that of the air pressure at sea level on earth. This enormous pressure pushes up the temperature to 15 million degrees Celsius and its this combination of pressure and heat that allows fusion to occur and the energy to be released.
Every second, the core of the sun converts 600 million tons of hydrogen to helium. Of this, about the equivalent of 4 million tons of hydrogen is converted into energy.
bellow the links you want more informations:
1 http://www.popsci.com/node/24698
2 http://www.physicsforums.com/showthre...
3 http://curious.astro.cornell.edu/ques...
4 http://scienceblogs.com/startswithaba... // About the SUN : Gravitational force calculator
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