Posted inVacuum
What Is the Speed of Light in a Vacuum? Explained
Light is one of the most fascinating phenomena in the universe, and understanding its speed is key to grasping the laws of physics. In a vacuum, light travels at an astonishing speed of about 299,792 kilometers per second, or roughly 186,282 miles per second. This incredible velocity is not just a number; it shapes our understanding of space, time, and the very fabric of reality.
But why does the