magnetic field of the Earth

Cultural  

1. The magnetic field (see magnetism) that surrounds and permeates the Earth. It is the presence of this field that causes compass needles to line up in a north-south direction. The origin of the Earth's magnetic field is poorly understood at the present time.

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Example Sentences

As you get away from the magnetic field of the Earth, you lose a lot of the radiation protection of our planet.

From National Geographic

She found the longitude of the Atlantic flyway, the migrating route of the birds of the east, and the magnetic field of the earth.

From Literature

Everything was right—the angle of the sun’s rays, the wind, the temperature, and the magnetic field of the earth.

From Literature

I learn that a neutron star can have a magnetic field a trillion times stronger than the magnetic field of the earth.

From Newsweek

In the paper, he wrote: “It appears plausible that axions – dark matter particle candidates – are indeed produced in the core of the sun and do indeed convert to x-rays in the magnetic field of the Earth.”

From The Guardian