Dynamo Theory

In geophysics, dynamo theory proposes a mechanism by which a celestial body such as the Earth or a star generates a magnetic field. The theory describes the process through which a rotating, convecting, and electrically conducting fluid can maintain a magnetic field over astronomical time scales.

Read more about Dynamo Theory:  History of Theory, Formal Definition, Kinematic Dynamo Theory, Nonlinear Dynamo Theory

Famous quotes containing the word theory:

    “Frankly, these days, without a theory to go with it, I can’t see a painting.”
    —Tom Wolfe (b. 1931)