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This is a drawing of the Earth's magnetosphere. The plasma sheet is highlighted in yellow.
Click on image for full size

The Plasma Sheet

The plasma sheet is just that, a sheet of plasma that extends down the magnetotail dividing the two lobes of the Earth's magnetic field.

This outer plasma is hotter than the plasma in the plasmasphere, but is considered low energy when compared to the particles in the Van Allen radiation belts.


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The Plasma State

Plasma is known as the fourth state of matter. The other three states are solid, liquid and gas.In most cases, matter on Earth has electrons that orbit around the atom's nucleus. The negatively charged...more

The Earth's Plasmasphere

The plasmasphere is a donut-shaped region inside the Earth's magnetosphere. It is basically an extension of the ionosphere, or the topmost part of the Earth's atmosphere. The magnetic field lines of the...more

Radiation Belts

The Earth's radiation belts are just one part of the system called the magnetosphere. The radiation belts of the Earth are made up of electrons, protons and heavier atomic ions. These particles get trapped...more

The Lobes

The lobes of the magnetosphere are a vast region of the magnetotail between the magnetopause and the central plasma sheet. The lobes have opposite magnetic direction....more

Magnetosphere

A magnetosphere has many parts, such as the bow shock, magnetosheath, magnetotail, plasmasheet, lobes, plasmasphere, radiation belts and many electric currents. It is composed of charged particles and...more

AU

AU stands for Astronomical Units. It is a useful way to measure the distances in interplanetary space. It is the distance between the Earth and the Sun, which is about 93 million miles. For reference,...more

The Spiral of the IMF

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