The Solar Interior

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The Solar Interior
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What makes the Sun Shine?
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Thermonuclear Fusion
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a positron
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Mass of 4 H - atoms 4.03130 atomic mass
units Mass of He - atom 4.00268 atomic mass
units
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Mass of 4 H - atoms 4.03130 atomic mass
units Mass of He - atom 4.00268 atomic mass
units Difference 0.02862 atomic mass units
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Mass of 4 H - atoms 4.03130 atomic mass
units Mass of He - atom 4.00268 atomic mass
units Difference 0.02862 atomic mass
units What happened to the missing mass?
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E mc2 E energy released m mass
converted c speed of light
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The Sun processes 600 million tons of H per
second!
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The Sun processes 600 million tons of H per
second! At this rate it will take a total of 10
billion years to deplete the H in the Suns core
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The Solar Interior
5800 K
15,000,000K
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Helioseismology
The Photosphere oscillates with a 5 minute period
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Neutrinos Revisited
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Homestake Neutrino Detector
Cl Neutrino -gt Ar
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Kamioke, Japan
H2O Neutrino -gt Photon
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GALLEX - Italy
Gallium Neutrino -gt Germanium
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GALLEX - Italy
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The Neutrino Problem
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The Neutrino Solution 1. Neutrino production
rates are slower than predicted - disproved with
Helioseismology
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The Neutrino Solution 1. Neutrino production
rates are slower than predicted - disproved with
Helioseismology 2. Neutrinos change phase
once created (Neutrino Oscillation) -gt verified
by Kamioke in 1998
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• The Neutrino Solution
• 1. Neutrino production rates are slower than
  predicted - disproved with Helioseismology
• Neutrinos change phase once
• created (Neutrino Oscillation)
• -gt verified by Kamioke in 1998
• This implies a neutrino mass of about 1/5,000,000
  of an electron