Every 24 hours, we witness a miracle: the Sun rises, paints the sky, then sets, leaving us under a blanket of stars. But have you ever stopped to ask why ?
Many people guess it’s because the Sun moves around us. But the truth is far more fascinating. Day and night are caused by the rotation of the Earth on its axis.
The Earth spins like a giant, slow-motion top. At any given moment, only half of the planet faces the Sun. That half experiences . The other half faces away from the Sun, into darkness, and experiences night . Let’s Break It Down: 1. The Sun Doesn’t Move (Relative to Us) The Sun stays put at the center of our solar system. It constantly shines in all directions. The real mover is Earth.