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 11042 = 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000 times STRONGER than Gravity!! |
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| In the fusion reaction, a little bit of the star's mass is sacrificed by being turned into pure energy. Here's how it works. Protons normally don't get very close together since their positive charges cause the electromagnetic force to repel them. And the electric force is 1042 times stronger than the force of gravity between them! Yet the greater their speed when they collide, the closer the protons can get to each other. It takes very high temperatures and pressures for protons to reach the high speeds necessary. At a temperature of at least 20 million degrees, protons achieve a speed of just over 1 million miles per hour. If they collide at this speed, they can get as close to each other as one trillionth of a centimeter. | |||||||||||
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