What Makes the Sun Shine?

  • Kenneth R. Lang
Part of the Undergraduate Lecture Notes in Physics book series (ULNP)


When we measure the total amount of sunlight that illuminates and warms our globe, and extrapolate back to the Sun, we find that it is emitting an enormous power of 385.4 million, million, million, million, or 3.828 × 1026 watts, where one watt = 1 J s−1. This brilliance is far too great to be perpetually sustained, and we therefore wonder what heats the Sun, and how long that heat will last.


Convective Zone Solar Neutrino Electron Neutrino Helium Nucleus Muon Neutrino 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Kenneth R. Lang
    • 1
  1. 1.Department of Physics and AstronomyTufts UniversityMedfordUSA

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