GEOLOGY

Detailed explanation-1: -The crust of the Earth has some permanent magnetization, and the Earth’s core generates its own magnetic field, sustaining the main part of the field we measure at the surface. So we could say that the Earth is, therefore, a “magnet."

Detailed explanation-2: -Jupiter’s Magnetosphere Some 20, 000 times stronger than Earth’s magnetic field, Jupiter’s magnetic field creates a magnetosphere so large it begins to avert the solar wind almost 3 million kilometers before it reaches Jupiter.

Detailed explanation-3: -In the 1600s, William Gilbert demonstrated that Earth is basically a spherical magnet, with north and south poles and a magnetic field.

Detailed explanation-4: -Earth is a giant magnet because it contains magnetic material in the form of molten rock. Earth’s magnetic field, or magnetosphere, is strongest around the planet’s North and South Poles.

Detailed explanation-5: -But what would happen if Earth’s magnetic field disappeared tomorrow? A larger number of charged solar particles would bombard the planet, putting power grids and satellites on the fritz and increasing human exposure to higher levels of cancer-causing ultraviolet radiation.