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How the Sun produces heat and light?

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by Justice Goodrick on 27 November 2012

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Transcript of How the Sun produces heat and light?

By Justice Goodrick
Br6 The sun produces heat and light through the process of nuclear fusion. It fuses hydrogen within the sun to make helium which in turns, creates a colossal amount of energy.

It is transformed into:
-Heat
-Radiation
-Light The core's temperature is 15,000,000 degrees celsius.

This is where the process of nuclear fusion takes place. The Radiation Zone is where heat, light and x-rays come from the core and try to reach the sun's surface.

Approximately it takes 1 million years for the light to escape this zone because the gases here are dense and absorbs the ray's then emits them. Convection Zone is where the gases gets heated up which rises and cools down which makes it fall.

There are times where these two gases bumps each other and form currents which are called convection cells. There are three main part inside the sun.
- The core
-Radiation Zone
- Convection Zone The sun is the main source of energy here on Earth. It provides us with light for us to be able to see the natural enviroment. And provides us with heat which gives us vitamin D and warmth. How the sun produces heat and light Nuclear Fusion:
Hydrogen nuclei and a proton fuses at very high temperatures to create- Deuterium (heavy hydrogen) Deuterium fuses with a proton to create- Tritium, which in the the process creates Gamma Rays. The tritium fuses with another tritium which creates Helium which releases a colossal amount of energy and releases protons which continues the 'chain reaction'. Core Convection Zone Sun's Surface Hot gas rises Reference List Layton, J and Freudenrich, C. (2012). How the sun works. Retrieved from the How Stuff Works website: http://www.howstuffworks.com/sun.htm

Alexander, S. (2012). How does the sun produce light. Retrieved from Ehow website: http://www.ehow.com/how-does_4566223_sun-produce-light.html

The Sun. (n.d) Retrieved from ThinkQuest website: http://library.thinkquest.org/C0126543/thesun.htm

Brit, R. Inside the Sun. (2012). Retrieved from the Space website: http://www.space.com/950-sun- triggers-major-eruptions.html

Solar Energy- Nuclear Fusion in the Sun- Simplified Version. (2012). Retrieved from the Youtube website: http://www.youtube.com


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