Apparent Horizon (Noun)
Meaning
The line at which the sky and Earth appear to meet.
Classification
Nouns denoting spatial position.
Examples
- The apparent horizon is the line at which the sky and Earth appear to meet, and it plays a crucial role in navigation and astronomy.
- As the sun sets, the apparent horizon serves as a reference point to gauge its descent below the Earth's surface.
- From the beach, the apparent horizon stretches out in every direction, curving slightly due to the Earth's curvature.
- Astronomers often use the apparent horizon as a reference plane to measure the position of celestial objects in the sky.
- Pilots must be aware of the apparent horizon to maintain the orientation of their aircraft during flight.