Solar System: How The Sun Produces Light and Heat?

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How the Sun Produces Light and Heat?
The sun is a star that is medium sized among the star categories. Solar system is pivoted around the sun. The sun is a primary source of light and heat for earth which is responsible for keeping the temperature of earth in a reasonable range that is sustaining life.
There has been considerable debate on the source of heat and light that the sun emits. In 1850s scientists believed that the when gravitational force is converted into heat energy a light is produced. Some suggested that when meteors fall on to the planets of solar system, it is when the light is produced.
Later on the theories developed in light of modern technologies and as man got further closer to sun thus became able to measure the changes occurring on the surface of sun. In 1968s scientists got sufficient evidence by catching the neutrinos from sun light that the reason for the heat and light emitting from sun is due to nuclear reactions that continuously take place in it.
Before discussing the details of how light and heat are produced, the characteristics of sun should be kept in mind. The body of sun consists of hydrogen at high temperatures which can cause nuclear fusion. The process of fusion requires two atoms of hydrogen to fuse their nuclei and as a result significant amount of energy is released in the form of light and heat that travels all the way from sun to earth.
Moreover, the fusion of two nuclei of hydrogen results into the formation of helium. The process of fusion is a never ending process on the surface of sun.
On average 120 million tons of mass that majorly consists of hydrogen gets converted into helium in 60 seconds. Whereas some of the matter also get converted into energy (144).
Energy emitted fro...

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...in wavelengths of lights that human eye view the rainbow which is formed when light passes through the water droplets in the air. It then changes its path using the principles of refraction and different wavelength lights take a turn on a different angle.
Other than the wavelengths of visible light, there are other wavelengths which our eye is unable to see. Infrared is one example that can be felt by skin. Infrared light causes the temperatures of things to rise. It is owing to this particular wavelength rays which cause the rise in temperature of earth and atmosphere in general.
Distribution of Energy in the Solar Spectrum
Electromagnetic energy can be explained by treating the spread of energy over a range of wavelengths. The radiation can be measured by finding the energy falling per second that is Watts per square meter for each band of 1 micrometer wavelength.

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