302K views · 6.3K reactions | The blue glow is called Cherenkov...

223K views · 437 reactions | Why do you see a blue glow inside of a reactor? | International Atomic Energy Agency (IAEA) | Facebook

23K views · 588 reactions | #OnThisDay in 1904, Pavel Cherenkov was born. He's the man who first discovered what this blue glow was surrounding a reactor core. Today it's called Cherenkov radiation — a phenomenon that happens when electrically charged particles, such as protons or electrons, travel faster than light in a clear medium like water. #nuclear #cleanenergy | U.S. Department of Energy Office of Nuclear Energy | Facebook

748K views · 11K reactions | Where does NASA's James Webb Space Telescope get its energy? From the #Sun! It uses a 20-foot solar array to convert sunlight to electricity, providing all the power the spacecraft needs to #UnfoldTheUniverse. Be on the lookout for Webb’s first images on July 12! | NASA Space Alerts | Facebook