KERALA PSC / PHYSICAL GEOGRAPHY / MAGNETOSPHERE /
NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE
KERALA PSC / PHYSICAL GEOGRAPHY / MAGNETOSPHERE / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE
Magnetosphere is the area around the earth that
extends beyond the atmosphere. The earth’s magnetic field operates here. It
begins at about 1000 km. It is made up of positively charged protons and
negatively charged electrons. This traps the particles that are given off by
the sun. They are concentrated into belts or layers called the Van Allen
radiation belts. The Van Allen belts trap deadly radiation. When large amounts
are given off during a solar flare, the particles collide with each other
causing the aurora borealis or the northern lights.
KERALA PSC / PHYSICAL GEOGRAPHY / MAGNETOSPHERE / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE
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