The dynamo theory describes the process through which a rotating, convecting, and electrically conducting fluid can maintain a magnetic field over astronomical time scales.
12.
The present understanding is of magnetic field growth based on the amplification of seed fields by dynamo theory and its action over a galaxy's lifetime.
13.
The most functional feature of kinematic dynamo theory is that it can be used to test whether a velocity field is or is not capable of dynamo action.
14.
This is taken to be a good approximation in dynamo theory, used to explain the magnetic field evolution in the astrophysical environments such as stars, galaxies and accretion discs.
15.
Helicity plays a central role in dynamo theory, the theory of spontaneous generation of magnetic fields in stars and planets ( Moffatt 1978, Parker 1979, Krause & R�dler 1980 ).
16.
He also puts forward his reasons why Dynamo theories have trouble explaining the extreme tilt of both Uranus and Neptune's magnetic fields compared to their rotational axis, while his creation model does not.
17.
This is called the dynamo theory, although a numeric model of the Earth's magnetic field consistent with the dynamo theory has not yet been achieved . talk ) 22 : 45, 10 March 2011 ( UTC)
18.
This is called the dynamo theory, although a numeric model of the Earth's magnetic field consistent with the dynamo theory has not yet been achieved . talk ) 22 : 45, 10 March 2011 ( UTC)
19.
Walter M . Elsasser, considered a " father " of the presently accepted dynamo theory as an explanation of the Earth's magnetism, proposed that this magnetic field resulted from electric currents induced in the fluid outer core of the Earth.
20.
The creation model's predictions were, according to Humphreys, again verified when probes in 2008 and 2011 flew past Mercury and measured the magnetic field and found that the decay was in line with that predicted by Humphreys'model, but far faster than that expected by Dynamo theories.
