The Sun is Spectacular!

By Stephanie Reid

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The Core

The core is the inner most part of the core. The core is around 150 times as dense as water and has a blazing temperature of around 15 million degrees Celsius or 28 million degrees Fahrenheit.

Read more about it here: http://www.thesuntoday.org/overview/layers-of-the-sun/

Image Source: http://www.people.vcu.edu/~rgowdy/astro/image/core.gif

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Radiative Zone

This is the layer of the Sun above the super dense core. This layer is not as dense as the core but it is still so dense that light from the core bounces around taking about 100,000 years to move through the radiative zone.

Read more about it here: http://www.thesuntoday.org/overview/layers-of-the-sun/

Image Source: http://sunstructures8.weebly.com/uploads/9/1/4/9/9149861/6122863_orig.jpg

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Convective Zone

This is the layer of the Sun above the radiative zone. When the density of the radiative zone becomes low enough energy from the core in the form of light is converted into heat.

Read more about it here: http://www.thesuntoday.org/overview/layers-of-the-sun/

Image Source: http://astro.ic.ac.uk/sites/default/files/imagecache/XLarge/SolarInterior.jpg

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The Photosphere

The photosphere is the visible surface of the Sun that we are most familiar with. We can also measure the flow of material in the photosphere using the Doppler effect. These measurements reveal additional features such as supergranules as well as large scale flows and a pattern of waves and oscillations.

Read more about it here: http://solarscience.msfc.nasa.gov/surface.shtml
Image Source: http://spaceplace.nasa.gov/review/solar-tricktionary/photosphere.en.jpg

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The Chromosphere

The chromospheric network is a web-like pattern most easily seen in the emissions of the red line of hydrogen and the ultraviolet line of calcium.

Read more about it here: http://solarscience.msfc.nasa.gov/feature2.shtml

Image Source: http://solarscience.msfc.nasa.gov/feature2.shtml

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Corona

The extended outer atmosphere of the sun is called the corona. It has a temperature of millions of degrees, but it is 10 billion times less dense than the atmosphere of the Earth at sea level.
Read more about it here:
http://csep10.phys.utk.edu/astr162/lect/sun/corona.html
Image Source:
http://csep10.phys.utk.edu/astr161/lect/time/corona.jpg
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Aurora

An aurora us a luminous phenomenon that consists of streamers or arches of light appearing in the upper atmosphere of a planet's magnetic polar regions and is caused by the emission of light from atoms excited by electrons accelerated along the planet's magnetic field lines.
Read more about it here: https://en.wikipedia.org/wiki/Aurora
Image Source: http://www.nasa.gov/sites/default/files/thumbnails/image/20150409-10-sebastiansaarloos.jpg
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