Podcast
Questions and Answers
Which shape best describes the earth?
Which shape best describes the earth?
- Cube
- Perfect sphere
- Cylinder
- Oblate spheroid (correct)
What is the polar diameter of the earth?
What is the polar diameter of the earth?
- Perfect sphere
- 6884NM
- 23NM less than the equatorial diameter
- 23NM (correct)
What is the purpose of drawing imaginary lines on the earth's surface for air navigation?
What is the purpose of drawing imaginary lines on the earth's surface for air navigation?
- To create obstacles for navigation
- To mark the equator
- To confuse pilots
- To simplify air navigation (correct)
What is a great circle?
What is a great circle?
What is a rhumb line?
What is a rhumb line?
Flashcards
Oblate Spheroid
Oblate Spheroid
A shape that describes the earth, flattened at the poles and bulging at the equator.
Polar Diameter of Earth
Polar Diameter of Earth
The diameter of the Earth measured from pole to pole.
Imaginary Lines for Navigation
Imaginary Lines for Navigation
Lines drawn on earth's surface to aid in simplifying air navigation.
Great Circle
Great Circle
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Rhumb Line
Rhumb Line
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