That is, it behaves as if produced by a giant bar magnet located near the center of the planet with its north pole tilted several degrees from Earth's geographic north pole.
(it; behaves; tilted several degrees from Earth's geographic north pole) (a giant bar magnet; located; L:near the center of the planet with its north pole)
it a giant bar magnet
behaves located
tilted several degrees from Earth's geographic north pole
L:near the center of the planet with its north pole