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Chapter 3.2

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Our Beautiful Sun Corona: The Sun s Outer Atmosphere Chromosphere: Thin region below the corona only 30,000 km thick. Photosphere: Visible part of the Sun that we ... – PowerPoint PPT presentation

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Title: Chapter 3.2


1
Chapter 3.2 the sun our very own star7th
science
  • Our Beautiful Sun

2
The structure of our sun
  • Corona The Suns Outer Atmosphere
  • Chromosphere Thin region below the corona only
    30,000 km thick.
  • Photosphere Visible part of the Sun that we can
    see from Earth.
  • Convective Zone Region about 200,000 km thick
    where gases circulate.
  • Radiative Zone Very dense region about 300,000
    km thick WOW, THATS THICK!
  • Core At the center of the Sun where the Suns
    energy is produced.

3
LAYERS OF OUR SUN
  • The 6 layers of our Sun

4
Layers of our sun
  • Your Turn Label our Sun
  • 1.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.

5
Energy production in our sun
  • At first, some thought that burning fuel was the
    source of the suns energy.
  • Others thought the sun was shrinking and thats
    where our solar energy came from.
  • Who was right?

6
NUCLEAR FUSION
  • Sorry to say that Burning or Shrinking was not
    the right theory. ?
  • The ANSWER NUCLEAR FUSION
  • What is Nuclear Fusion Hydrogen and Hydrogen
    fuse together to form Helium and WALA ENERGY IS
    PRODUCED!
  • HYDROGEN HYDROGEN HELIUM

7
SOLAR ACTIVITY
  • Sunspots cooler, darker spots of the
    photosphere of our Sun.
  • Solar Flares Areas of extremely high
    temperature that when enough energy builds up
    they VENT into the atmosphere.
  • Similar to a Volcano building up with gases and
    then EXPLODES.
  • A GIGANTIC ERUPTION ON THE SUN!

8
Our sun is truly amazing!
  • QUIZ
  • 1. How old is our Sun?
  • 2. List all 6 parts of our Sun.
  • 3. What is Nuclear Fusion?
  • 4. What is a Sun Spot?
  • 5. What is a Solar Flare?

9
Are you a sun expert?
  • How did you do?
  • If you received 1 out of 5 Sun Seeker
  • If you received 2 out of 5 Sun Follower
  • If you received 3 out of 5 Sun Worshipper
  • If you received 4 out of 5 Sun Stellar Student
  • If you received 5 out of 5 SunSensational!!!
  • I AM PROUD OF YOU!
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