Meridians are lines of what?

Study for the Pilot's Handbook of Aeronautical Knowledge Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Meridians are lines of what?

Explanation:
Meridians are lines that measure east–west position on the Earth. They run from the North Pole to the South Pole and are known as lines of longitude. The system uses the Prime Meridian as 0° longitude, with positions to the east and west up to 180°. This is different from lines of latitude, which run east–west around the globe and measure north–south position (the equator is a specific latitude, at 0°). While each meridian lies along a great circle that passes through both poles, the standard way we refer to them is as lines of longitude.

Meridians are lines that measure east–west position on the Earth. They run from the North Pole to the South Pole and are known as lines of longitude. The system uses the Prime Meridian as 0° longitude, with positions to the east and west up to 180°. This is different from lines of latitude, which run east–west around the globe and measure north–south position (the equator is a specific latitude, at 0°). While each meridian lies along a great circle that passes through both poles, the standard way we refer to them is as lines of longitude.

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