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“magnetosphere”
magnetosphere
1. The region surrounding an astronomical object; such as, the earth, in which charged particles are trapped and affected by the object's magnetic field.
2. A region between five hundred and several thousand miles above the earth's surface, in which charged particles are trapped by the earth's magnetic field.
2. A region between five hundred and several thousand miles above the earth's surface, in which charged particles are trapped by the earth's magnetic field.
This entry is located in the following units:
magnet-, magneto- +
(page 3)
sphero-, spher-, -sphere-
(page 9)
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“magnetosphere”
magnetosphere
1. The volume of space, surrounding a planet, controlled by the planet's magnetic field, and acting as a magnetic "shell".
The earth's magnetosphere extends 64,000 kilometers or 40,000 miles toward the sun, but many times this distance on the side away from the sun.
2. The magnetic field of a planet in space.A planet's magnetosphere is molded by the solar wind into a teardrop shape, its point directed away from the sun.
This entry is located in the following unit:
Astronomy and related astronomical terms
(page 15)