ATPL: Which definition describes best the notion "poles"?
Domanda 414, General Navigation - ATPL - Airline Transport Pilot license
| The poles are the points of intersection between the surface of the earth and the extended line joining the star polaris with the centre of the Earth. |
| The poles are the points on the surface of the Earth which have the same distance to all points of the ecliptic. |
| The poles are the points of intersection between the earth's axis and the surface of the Earth. |
| The poles are the points on the surface of the Earth where gravity acts under an angle of exactly 90°. |
