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Unformatted text preview: (Each bubble is about 700km across.) The Photosphere-Is the apparent surface layer of the sun-Light from the interior leaves the sun at the photosphere-Temperature = 5800 K-Above the photosphere is the Chromosphere. The Corona -Outside the Chromosphere is the suns Corona-Its temperature is even hotter than the photosphere: 1 million Kelvins.-But, its density is very low.-Because it is hot, it emits x rays. (The corona is only seen from Earth during a total solar eclipse) Solar Wind-The corona expand outwards, becoming the solar wind, which eventually encounters Earth-Sometimes the sun produces solar flare, which bombards the Earth with high-energy particles...
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- Spring '09