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Questions and Answers
Which statement about the geographic north and south is true?
What is the prime meridian?
What type of projection is used for charts in civil aviation?
What is the relationship between the Geographic Pole and Magnetic Pole?
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What are the names of the Earth's poles?
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Study Notes
Geographic North and South
- Geographic North refers to the point where Earth's rotation axis meets its surface in the Northern Hemisphere, while Geographic South is where the axis meets in the Southern Hemisphere.
- The magnetic north and south poles are different from geographic poles; compasses point towards magnetic poles, which can shift over time.
Prime Meridian
- The Prime Meridian is the zero-degree longitude line, serving as the fundamental reference for time zones and global navigation.
- It runs through Greenwich, England, and divides the Earth into Eastern and Western Hemispheres.
Civil Aviation Projections
- The projection used for charts in civil aviation is typically the Lambert Conformal Conic projection.
- This type of projection maintains angles, making it ideal for air navigation and flight planning.
Geographic vs. Magnetic Poles
- The Geographic Poles (North and South) are fixed locations defined by Earth's rotation, whereas Magnetic Poles are defined by Earth's magnetic field and can move due to changes in the Earth's core.
- The relationship between the two involves the distinction between true north (geographic) and magnetic north; the difference is known as magnetic declination.
Names of Earth's Poles
- The two main poles are the North Pole (located at 90°N latitude) and the South Pole (located at 90°S latitude).
- Additionally, there are magnetic poles: the North Magnetic Pole and the South Magnetic Pole, which are not fixed points.
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Description
Test your knowledge of navigation with this quiz! Learn about the geographic north and south and how their positions can change. Discover the prime meridian and its significance in navigation.
