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The Sun

The Sun. The Sun’s Interior. The Sun produces energy through nuclear fusion This is caused through extreme heat and pressure The core of the Sun is about 15 million degrees Celsius. The Atmosphere. Three main layers Photosphere Inner layer of the Sun’s atmosphere Makes light.

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The Sun

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  1. The Sun

  2. The Sun’s Interior • The Sun produces energy through nuclear fusion • This is caused through extreme heat and pressure • The core of the Sun is about 15 million degrees Celsius

  3. The Atmosphere • Three main layers • Photosphere • Inner layer of the Sun’s atmosphere • Makes light

  4. Chromosphere • Middle layer of the Sun’s atmosphere • Color produced here • Corona • Outer layer of the Sun’s atmosphere • Looks like a white halo • Only visible during eclipses • Sends out electronically charged particles called the solar wind • The Earth's atmosphere absorbs these winds except near the poles where we see them as auroras

  5. Features of the Sun • The sun rotates on an axis • Include sun spots, prominences, and solar flares

  6. Sun spots • Small dark areas on the surface • Some spots are as large as Earth • Spots are areas of gas that are cooler then the gases around them • Hot gasses give off more light then cooler areas • The number of spots changes about every 10 years

  7. Prominences • Reddish loops of gas that link sun spot areas • Can stick out over the edge of the Sun

  8. Solar Flares • Loops in sunspot regions suddenly connect creating extreme heat • That heat causes hydrogen to explode out into space • Can increase the solar wind and the number of particles reaching Earth • This can create magnetic storms in Earth's upper atmosphere disrupting radio, telephone, and electrical power.

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