Layers of the Sun

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by Dajana14
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Layers of the Sun

The external layers of the sun are (named from the innermost to the outtermost layers): 4. Photosphere5. Chromosphere6. Transition Zone7. Corona

The internal structure of the sun is composed of (named from the innermost to the outtermost layers): 1. Core2. Radiation Zone3. Convection Zone

Layers of the Sun

Chromosphere is the layer over the photosphere and is much cooler in temperature (Lubrick, 2015). The chromosphere provides a little light but it is very difficult to view because of the brightness of the photosphere and can only be viewed during a solar eclipse when the photosphere is blocked off (Lubrick, 2015).

The core is the center of the sun (Chaisson ' McMillan). It is the hottest part of the sun and is very dense (Lubrick, 2015). The core produces almost all of the sun’s heat through nuclear fusion (Chaisson ' McMillan, 2013).

The radiation zone is the layer just above the core and has the ability to cause gas to become ionized and travel through the layer as photons (Chaisson ' McMillan, 2013).

Internal Layers

Photosphere is a very thin layer, only about 500 km, but is the most visible element of the sun (Chaisson ' McMillan, 2013). This layer provides the most radiation and makes the sun appear to have “sharp edges” when seen from farther distances (Lubrick, 2015).

External Layers

1. The Core

2. Radiation Zone

The convection zone is above the radiation zone (Chaisson ' McMillan, 2013). Within this layer convention takes place, meaning that the hot plasma will rise and cool while it reaches the surface of the sun and fall to be heated again in order to once again rise(Chaisson ' McMillan, 2013).

The corona is the most outer layer of the sun’s atmosphere and has a very high temperature (Chaisson ' McMillan, 2013). It too can only be seen during a solar eclipse but only when both the photosphere and the chromosphere are blocked. (Lubrick, 2015)

The transition zone is a very interesting layer of the sun because of its odd properties (Lubrick, 2015). Within the transition zone there is a fast temperature increase (Lubrick, 2015). The lower temperature of the chromosphere is transitioned very quickly into the very high temperature of the corona. (Chaisson ' McMillan, 2013).

3. Convection Zone

4. Photosphere

5. Chromosphere

6. Transition Zone

7. Corona


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