Because Earth is a sphere, sunlight can only strike half of the planet at any given moment.
We live on a spinning spacecraft hurtling through the void. The cycle of day and night is the heartbeat of our planet, a constant reminder that we are in motion, forever turning toward the light.
Because Earth is a sphere, sunlight can only strike half of the planet at any given moment.
We live on a spinning spacecraft hurtling through the void. The cycle of day and night is the heartbeat of our planet, a constant reminder that we are in motion, forever turning toward the light. why does earth have day and night