The sensible horizon refers to the line that separates the Earth from the sky. In addition to this term, there are several other similar phrases that can be used to describe this concept. Examples include the geometrical horizon, the apparent horizon, and the visible horizon. These alternative terms are often used in scientific and technical contexts, as well as in discussions of astronomy and other related subjects. Regardless of which term is used, the sensible horizon remains an important concept for understanding the limits of our perception and the nature of our world.