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“zenith angle”
zenith angle
1. The angle between the direction of interest (of the sun, for example) and the zenith (directly overhead).
2. The angle between the direction to the zenith (point of the celestial sphere vertically overhead) and the direction of a light ray.
2. The angle between the direction to the zenith (point of the celestial sphere vertically overhead) and the direction of a light ray.
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