By A Mystery Man Writer
Researchers propose a new mechanism to power convection within the earth's interior.
New theory about the weakening of the Earth's magnetic field - DTU
Magnetic Field of the Earth
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Dynamo at moon's heart once powered magnetic field equal to Earth's
Earth's Magnetic Field Could Take Longer to Flip Than Previously Thought, Science
ESA - Swarm probes weakening of Earth's magnetic field
Caltech – sciencesprings
The Earth's Magnetic Field
Planetary Science