Great circle |
A circle formed on the surface of a sphere by any plane that passes through the center of that sphere. The celestial equator and the eclipitic are great circles. On earth, the equator is a great circle. |
Great circle |
A circle formed on the surface of a sphere by any plane that passes through the center of that sphere. The celestial equator and the eclipitic are great circles. On earth, the equator is a great circle. |