THE SUN

BY: Claire-Emma Britt

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This is a picture of the core of the sun. The Sun's core is the central region where nuclear reactions consume hydrogen to form helium. These reactions release the energy that ultimately leaves the surface as visible light. These reactions are highly sensitive to temperature and density.


https://www.google.com/search?hl=en&q=what+is+the+core+of+the+sun&meta=&safe=strict&gws_rd=ssl

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A radiation zone, radiative zone or radiativeregion is a layer of a star's interior where energy is primarily transported toward the exterior by means of radiative diffusion and thermal conduction, rather than by convection. Energy travels through the radiation zone in the form of electromagnetic radiation as photons.


https://www.google.com/search?hl=en&q=radiatiive+zone&meta=&safe=strict&gws_rd=ssl

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In the convection zone, hot plasma rises, cools as it nears the surface, and falls to be heated and rise again.


https://www.google.com/search?q=convective+zone&safe=strict&hl=en&biw=1366&bih=639&source=lnms&sa=X&ved=0ahUKEwiS4K7OpMrJAhWLVT4KHbwIAfsQ_AUIBigA&dpr=1

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The photosphere is a star's outer shell from which light is radiated.


https://en.wikipedia.org/wiki/Photosphere

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The chromosphere (literally, "sphere of color") is the second of the three main layers in the sun's atmosphere and is roughly 2,000 kilometers deep. It sits just above the photosphere and just below the solar transition region.


https://en.wikipedia.org/wiki/Chromosphere

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A corona is an aura of plasma that surrounds the sun and other celestial bodies. TheSun's corona extends millions of kilometres into space and is most easily seen during a total solar eclipse, but it is also observable with a coronagraph.


https://www.google.com/search?q=corona+sun&safe=strict&hl=en&biw=1024&bih=639&source=lnms&sa=X&ved=0ahUKEwiFp5zt8czJAhUCUD4KHfbeBbQQ_AUIBSgA&dpr=1

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Sunspots are temporary phenomena on the photosphere of the Sun that appear visibly as dark spots compared to surrounding regions. They correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.


https://www.google.com/search?q=corona+sun&safe=strict&hl=en&biw=1024&bih=639&source=lnms&sa=X&ved=0ahUKEwiFp5zt8czJAhUCUD4KHfbeBbQQ_AUIBSgA&dpr=1#safe=strict&hl=en&q=sun+spots

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Solar Prominence with images of Jupiter and Earth for size comparison. A prominence is a large, bright, gaseous feature extending outward from the Sun's surface, often in a loop shape. Prominences are anchored to theSun's surface in the photosphere, and extend outwards into the Sun's corona.


https://www.google.com/search?q=corona+sun&safe=strict&hl=en&biw=1024&bih=639&source=lnms&sa=X&ved=0ahUKEwiFp5zt8czJAhUCUD4KHfbeBbQQ_AUIBSgA&dpr=1#safe=strict&hl=en&q=prominence+of+the+sun

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A flare is defined as a sudden, rapid, and intense variation in brightness. A solar flare occurs when magnetic energy that has built up in the solar atmosphere is suddenly released.


http://hesperia.gsfc.nasa.gov/sftheory/flare.htm

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An aurora, sometimes referred to as a polar light, is a natural light display in the sky, predominantly seen in the high latitude (Arctic and Antarctic) regions.


https://www.google.com/search?hl=en&q=aurora&meta=&safe=strict&gws_rd=ssl