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10 cards from this deck
Navigation instrument that detects magnetic fields
Magnetised needle and pivot
Aligns with Earth's magnetic field direction
Points where Earth's rotation axis meets surface
Points where Earth's magnetic field lines converge
11.5°11.5°11.5° between magnetic and geographic north
Magnetic north, not true north
Approx. every 200,000200,000200,000 years
Protective region where Earth's magnetic field operates
Solar wind particles colliding with atmosphere particles
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