New NASA Animations Show How Slowly Light Travels Through Space

New NASA Animations Show How Slowly Light Travels Through Space

The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second) If you could travel at the speed of light, you could go around the Earth 7.5 times in one second. Thanks to the work of Albert Einstein and others, we now understand light speed to be a theoretical limit: light speed — a constant called “c” — is thought to be not achievable by anything with mass. Is the speed of light really constant?Light travels in waves, and, like sound, can be slowed depending on what it is traveling through. Let’s Start A new...