Question

pls tell what is circular horizon


pls don't ans what is horizon​

Answer 1

Above the Earth surface , the horizon appear slightly convex ita a circular arc.

Answer 2

From a point above Earth's surface, the horizon appears slightly convex; it is a circular arc. The following formula expresses the basic geometrical relationship between this visual curvature , the altitude , and Earth's radius : The curvature is the reciprocal of the curvature angular radius in radians.