Great-circles Sentence Examples

When several rings or circles were combined representing the great circles of the heavens, the instrument became an armillary sphere.

Treating the earth as a sphere, the meridians of longitude are all great circles.

According to his view, all mountain ranges parallel to the same great circle of the earth are of strictly contemporaneous origin, and between the great circles a relation of symmetry exists in the form of a pentagonal reseau.

The chief conclusions of astronomers concerning the .spherical figure and dimensions of the earth, its relation to the heavenly bodies, and the great circles of the globe - the equator, the ecliptic and the tropics - were considered as well established.

He used arcs of great circles instead of arcs of great circles instead of arcs of parallel circles on the sphere.

The statement is given in terms of intersecting great circles on a sphere.

The armillary sphere survives as useful for teaching, and may be described as a skeleton celestial globe, the series of rings representing the great circles of the heavens, and revolving on an axis within a horizon.