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The Sun. Section 24.2 Pg. 679-682. 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. The layers of the sun. Core: center of the sun Radiative zone: very dense region

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The Sun

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The sun

The Sun

Section 24.2

Pg. 679-682


The sun1

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


The layers of the sun

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


Layers of the sun

Layers of the Sun


Surface features of the sun

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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