A true bearing is the angle which a line makes from the observer's position to an object with the line pointing to

It is noon at Point X (longitude 0⁰),while it is 10.00 pm at Point Y. What is the longitude of Point Y?

The part of the lithosphere which forms the ocean floor is

The northern and southern limits of the apparent movement of the sun is marked by the

Which of the following lines could be described as a Great Circle? The