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Showing posts with label core of the Earth. Show all posts
Showing posts with label core of the Earth. Show all posts

Monday, January 14, 2008

How is the Earth Magnetic?


How is the Earth Magnetic?

Movement inside the core of the Earth is thought to create electrical currents that make the magnetic field of the Earth. Like a planet sized bar magnet, the Earth's magnetic field is oriented to give a magnetic north Pole and the magnetic South Pole. The Earth's magnetic field structures far into space for about 60,000 kilometers. All the members of the Solar System have magnetic fields