The horizon is the apparent curve that separates the surface of a celestial body from its sky when viewed from the perspective of an observer on or near the surface of the relevant body. This curve divides all viewing directions based on whether it intersects the relevant body's surface or not.

The meaning of HORIZON is the line where the earth seems to meet the sky : the apparent junction of earth and sky. How to use horizon in a sentence.

HORIZON meaning: 1. the line at the farthest place that you can see, where the sky seems to touch the land or sea…. Learn more.

HORIZON definition: 1. the line at the farthest place that you can see, where the sky seems to touch the land or sea…. Learn more.

2023年10月19日 · The horizon is the line that separates the Earth from the sky. There two main types of horizons—Earth-sky horizons and celestial horizons. Both Earth-sky and celestial horizons have different sub-types of horizons. The local horizon, geographic horizon, and sea-level horizon are all Earth-sky horizons.

HORIZON meaning: 1 : the line where the earth or sea seems to meet the sky; 2 : the limit or range of a person's knowledge, understanding, or experience

the small circle of the celestial sphere whose plane is tangent to the earth at the position of a given observer, or the plane of such a circle (sensible horizon)