2-3 Solar radiation is a constant source of energy
Author: Source: Datetime: 2016-12-24 12:00:49
Solar radiation originated in the sun's high temperature, high pressure under the thermonuclear fusion reaction. Accordingly, the following two statements.
1. Carbon and nitrogen cycle. The reaction process of carbon and nitrogen cycle is
2. Hydrogen-Hydrogen chain reaction. Hydrogen-hydrogen chain reaction of the reaction process
The results of the above two thermonuclear reactions are about four hydrogen nuclear fusion into a helium core, while releasing a lot of energy, as shown in the following formula
Where Δm denotes the mass loss in the reaction
When the four hydrogen nuclei into a helium nucleus, a mass loss occurs, that is, the quality of a helium core （6.6477x10-27kg） than the quality of the four hydrogen nuclei （4x1.672648x10-27kg=6.690592x10-27kg） was small 4.29x10-29kg. This part of the loss of quality, according to Einstein's quality and energy relations, there
E=mc2Where E is the collar; m is the mass, c is the speed of light (3x108m/s). It can be seen, 1kg Quality Section to 9x1016J of energy. That is, a quality loss of 4.29x10-29kg occurred, there will be corresponding
Of the energy emitted. The sun releases 3.865x1026J of energy per second, and the solar lifetime is still 5x109 years at the current rate of thermal reaction. Solar energy can really be described as "" "inexhaustible, inexhaustible.
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