Nighttime is not an active physical phenomenon but a perceptual one. It is the result of the geometric relationship between the Sun, Earth, and an observer on Earth’s surface. Specifically, night occurs when a hemisphere of Earth is rotated away from the Sun, causing the local sky to fall within the planet’s own shadow.
Nighttime is fundamentally a . It occurs because Earth is a rotating, opaque sphere, and the Sun’s light cannot pass through it. When your location on Earth turns away from the Sun, you experience night. what causes night time
The Astronomical and Geophysical Causes of Nighttime Nighttime is not an active physical phenomenon but