Define zenith angle.
Understand the Problem
The question is asking for a definition of the term 'zenith angle', which relates to the position of an object in the sky relative to an observer on the Earth's surface.
Answer
The zenith angle is the angle between the zenith and a line of sight towards a celestial body.
The zenith angle is the angle between the zenith (directly above) and a line of sight towards a celestial body. Specifically, the solar zenith angle refers to the angle between the vertical direction and the sun's rays.
Answer for screen readers
The zenith angle is the angle between the zenith (directly above) and a line of sight towards a celestial body. Specifically, the solar zenith angle refers to the angle between the vertical direction and the sun's rays.
More Information
The zenith angle is useful in various fields like astronomy, surveying, and meteorology. It helps in understanding the position of celestial objects relative to an observer's location.
Sources
- Solar zenith angle - Wikipedia - en.wikipedia.org
- What is zenith angle? - Quora - quora.com
- Zenith Angle Definition | GIS Dictionary - Esri Support - support.esri.com
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