Ole Rømer: The Man Who Measured the Speed of Light Without Leaving Earth
Have you ever wondered how fast light travels? Today, we know it moves at about 300,000 kilometers per second, but centuries ago, this was a mystery. In the 1600s, when telescopes were still new and science was just beginning to explore the universe, a Danish astronomer named Ole Rømer made one of the most amazing discoveries in history—he was the first person to measure the speed of light.