Photosphere

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Photosphere

• Photosphere produces the photons we see
• Temp is 5800 K

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Convection

• Solar convection causes variations in the
  temperature of the photosphere called granulation

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Chromosphere

• Chromosphere is solar atmosphere
• above the photosphere
• 10,000 km thick
• Made of features like spicules

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Corona

• Outermost layer of solar atmosphere
• Very high energy particles

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Sunspots
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Solar rotation
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Solar differential rotation
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Solar magnetic field
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Zeeman effect
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Zeeman effect at the sunspot
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Filaments and Prominences
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Radiative zone

• 0.2 to 0.7 of the solar radius
• Steep temp gradient

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Solar core

• 15 million K
• Density high enough for nuclear fusion to occur
• Hydrogen fused into helium
• Density 150,000 kg/cubic m
• 150 times the density of water

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Nuclear fusion by proton-proton chain
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Homework

• Read Chapter 10
• Answer 5 questions
• I will be submitting mid-term concern forms on
  Apr 20 for anyone who has not turned in any
  homework.
• April 10, Science Workshop at 100
• Math of Soap Bubbles, Frank Morgan
• Dickinson 225