Earth Day And Night New! «95% FREE»

At any given moment, half of the planet is bathed in sunlight while the other half is shrouded in shadow. The moving line that separates these two halves is scientifically known as the terminator or the "twilight zone." Why We Have Seasons (The Tilt)

Sunlight drives photosynthesis , providing the foundation for almost all life on Earth. earth day and night