If you sight Polaris with an astrolabe and determine its altitude is 20° above the horizon, then what does this tell you about your position on the Earth?

nothing--you must know your location from a map
you must be 20° from the north pole
you must be 20° above (north) the equator
you must be 20° east or west of true north

Question

If you sight Polaris with an astrolabe and determine its altitude is 20° above the horizon, then what does this tell you about your position on the Earth?

nothing--you must know your location from a map
you must be 20° from the north pole
you must be 20° above (north) the equator
you must be 20° east or west of true north

sumi29 · Answer

Ok what do you know about the Polaris? We know that its called the Pole Star, and it ALWAYS above the North Pole. Now what does that tell you?