Artificial horizon and Celestial horizon

Artificial horizon noun - A navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot.

Celestial horizon and artificial horizon are semantically related. In some cases you can replace phrase "Celestial horizon" with "Artificial horizon", this phrases are similar.

Celestial horizon noun - The great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth.

Artificial horizon and celestial horizon are semantically related. Sometimes you can replace phrase "Artificial horizon" with "Celestial horizon", this phrases are similar.