![foone🏳️⚧️ on Twitter: "that blue glow is the ionized air, not Cherenkov radiation. It's a completely different unrelated effect." / Twitter foone🏳️⚧️ on Twitter: "that blue glow is the ionized air, not Cherenkov radiation. It's a completely different unrelated effect." / Twitter](https://pbs.twimg.com/media/Emp0vMOUwAA4P8S.jpg)
foone🏳️⚧️ on Twitter: "that blue glow is the ionized air, not Cherenkov radiation. It's a completely different unrelated effect." / Twitter
![Chernobyl: Was the blue beam of light at Chernobyl real - Chernobyl radiation explained | Science | News | Express.co.uk Chernobyl: Was the blue beam of light at Chernobyl real - Chernobyl radiation explained | Science | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/151/750x445/1142309.jpg)
Chernobyl: Was the blue beam of light at Chernobyl real - Chernobyl radiation explained | Science | News | Express.co.uk
![Chernobyl: Was the blue beam of light at Chernobyl real - Chernobyl radiation explained | Science | News | Express.co.uk Chernobyl: Was the blue beam of light at Chernobyl real - Chernobyl radiation explained | Science | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/151/590x/secondary/Chernobyl-disaster-blue-beam-of-light-HBO-Chernobyl-real-nuclear-radiation-1921117.webp?r=1561015888617)
Chernobyl: Was the blue beam of light at Chernobyl real - Chernobyl radiation explained | Science | News | Express.co.uk
![Cherenkov Radiation, a phenomenon that occurs when particles travel faster than the speed of light in a given medium. It produces this gorgeous blue color, and is perfectly safe to observe. : Cherenkov Radiation, a phenomenon that occurs when particles travel faster than the speed of light in a given medium. It produces this gorgeous blue color, and is perfectly safe to observe. :](https://external-preview.redd.it/f_3gwhig0H0Ilo-9NmoMNOrvjEBAUGod84VEIHsdDLQ.jpg?auto=webp&s=0c5f0e745485069fa3a04b50e2eed8ca2273c9d1)