5 Questions
What is the difference in diameter between the polar and equatorial regions of the earth?
23NM less than 6884NM
Which shape best describes the earth?
Oblate spheroid
What is a great circle?
A circle that cuts the earth into two equal halves
What is a small circle?
A circle that cuts the earth into two unequal parts
What is a rhumb line?
A line that cuts all the meridians at the same angle
Test your knowledge on the imaginary lines used for air navigation on Earth's perfect sphere. Learn about these essential lines and enhance your understanding of air navigation.
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