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The Sun Section 24.2 Pg. 679-682
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The Sun The sun is similar to most of the other stars in our galaxy Large ball of gas made mostly of hydrogen and helium held together by gravity Middle-aged yellow star
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The layers of the sun Core: center of the sun Radiative zone: very dense region Convection zone: where sun circulates energy Photosphere: what we know as the surface of the sun Chromosphere: see this region of sun’s atmosphere during a solar eclipse Corona: outer atmosphere of the sun
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Layers of the Sun
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Surface Features of the Sun Sunspots mark cooler areas on the sun’s surface; related to changes in the magnetic properties of the sun. Solar Flares are giant storms on the surface of the sun. Particles from the solar flares interact with earth’s upper atmosphere called auroras.
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