The Sun in Images

Basic Information about the Sun!

THE SUN

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The Layers and Parts of the Sun:

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THe Sun's core

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The core is the located in the interior of the center of the Sun and extends outward. The core is extremely hot, with temperatures above 15 million degrees kelvin! The conditions of the core are very extreme, including the massive amount of pressure. At the core, the gravity pulls the mass inward to create that pressure. The pressure also causes two atoms to fuse, in a process called fusion, to create mass amounts of energy.


Picture form: http://images.slideplayer.com/8/2425017/slides/slide_7.jpg

Radiative Zone

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The radiative zone is located on the interior of the Sun, just outside of the core, and beneath the convection zone. In this zone, the energy, created in the core from nuclear fusion, travels outwards as electromagnetic radiation. The radiative zone and the core spin differently than the outside of the sun. Because of this, there is a boundary at the end of the radiative zone, called the tachocline.


Picture from: http://images.slideplayer.com/8/2425017/slides/slide_10.jpg

Convection Zone

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The convection zone is located on the interior of the Sun, just beyond the end of the radiative zone. This layer is made up of convection currents, carrying energy towards the surface of the Sun. The convection currents allow for hot gases to rise and for cool gases to sink. There is a lot of transferring and movements of energy in this layer, so it actually takes a long time for the energy/electromagnetic waves to reach the surface.


Picture from: http://images.slideplayer.com/8/2425017/slides/slide_11.jpg

Photosphere

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The photosphere is the "visible" surface of the sun. This layer is actually the coolest part of the sun, with a temperature of 6000 Kelvins. This also the layer that emits most of the white light that we see from the sun. It is also the layer that contains the dark spots on the sun, called sunspots.


Picture from: http://images.slideplayer.com/8/2425017/slides/slide_13.jpg

Chromoshpere

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The chromosphere is the layer above the photosphere. Between the two layers, there is a huge temperature change, from 6000 degrees celsius to 20,000 degrees celsius. In the high temperatures of the chromosphere, hydrogen gives off a light that looks red. This is what you see when a solar eclipse happens, the hydrogen atoms in the chromosphere layer giving off the H-alpha emission.


Picture from: http://petapixel.com/assets/uploads/2013/04/sunsdo-3.jpg

Corona

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The corona is the outermost part of the Sun's atmosphere. There are three different types of ways the corona can be seen; The White Light Corona, The Emission Line Corona, and the X-Ray Corona. The most common type is the White Light Corona which can be seen during eclipses, like the chromosphere. The corona is the white "crown" of light seen during an eclipse.


Picture from: https://upload.wikimedia.org/wikipedia/commons/1/1c/Solar_eclipse_1999_4_NR.jpg

Sun Terms

By: Summer Thoma