 Navigational triangle

The navigational triangle, also known as the "sailing triangle" or "triangle of navigation," is a key concept used in celestial navigation, particularly in the context of determining a vessel's position on the Earth's surface using celestial bodies like stars, the sun, and the moon. In the navigational triangle, three points are defined: 1. **The Observer's Position**: This is the point on the Earth's surface where the navigator is located.