This ionised layer excludes the solar magnetic field, giving Venus a distinct magnetic environment.
2.
The dominant theory is that they are an inherent aspect of the solar magnetic field.
3.
Dynamo activity in these regions is thought to be responsible for maintaining the terrestrial and solar magnetic fields.
4.
The spiral shape also greatly amplifies the strength of the solar magnetic field in the outer solar system.
5.
This scenario is supported by observations of the solar magnetic field, which undergoes spontaneous reversals every 9 12 years.
6.
Time vs . solar latitude diagram of the radial component of the solar magnetic field, averaged over successive solar rotation.
7.
The poleward winds are important in generating and dispersing the solar magnetic field and creating the maximum and minimum sunspot activity over 11-year cycles.
8.
This period is also observed in most other solar activity and is linked to a variation in the solar magnetic field that changes polarity with this period.
9.
These eruptions, called coronal mass ejections, are discharges of hot, electrically charged gas from the sun's outer atmosphere, presumably caused by interactions of twisted solar magnetic field lines.
10.
In the mid-1950s Parker developed the theory on the supersonic solar wind and predicted the Parker spiral shape of the solar magnetic field in the outer solar system.
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