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The magnetic Sun.

Richard A Harrison1

  • 1Space Science and Technology Department, Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, UK. r.harrison@rl.ac.uk

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|January 29, 2008
PubMed
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This paper reviews the Sun's magnetic fields, explaining their generation and historical observations. It highlights modern space-based studies and James Clerk Maxwell's foundational equations governing solar and stellar magnetic phenomena.

Area of Science:

  • Solar Physics
  • Magnetohydrodynamics
  • Plasma Physics

Background:

  • The Sun's behavior is fundamentally driven by its intricate and dynamic magnetic fields.
  • Understanding these fields is crucial for comprehending solar activity and its influence.

Purpose of the Study:

  • To review the fundamental nature of the magnetic Sun.
  • To outline basic principles of solar field generation and operation.
  • To examine historical and contemporary space-based solar observations.

Main Methods:

  • Review of fundamental principles of solar magnetism.
  • Analysis of historical solar observations.
  • Study of modern space-based solar observation data.
  • Application of James Clerk Maxwell's equations.

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Main Results:

  • The Sun's magnetic fields are complex and variable, originating from fundamental physical principles.
  • Maxwell's equations provide the basis for understanding solar and stellar atmospheric magnetic fields and plasmas.
  • Space-based observations offer unprecedented insights into solar magnetic phenomena.

Conclusions:

  • The Sun's magnetic nature is governed by fundamental physics, particularly Maxwell's equations.
  • A comprehensive understanding requires integrating historical and modern observational data.
  • Solar magnetic fields significantly influence Earth.