This rare photo was snapped by Reuters photographer Ruben Sprich during a yearly inspection of the Muehleberg nuclear power station in Switzerland. The cosmic blue glow is a result of Cherenkov radiation, an electromagnetic radiation seen in reactors.
Mockup of a NERVA nuclear rocket engine. The drum-shaped pressure vessel bearing the NERVA label represents the nuclear reactor, on top of which is mounted the shadow shield for reducing crew radiation exposure. Image: Atomic Energy Commission
Chernobyl Then and Now. A combination of images, taken in 1982 and on March 31, 2011, shows before and after view of the abandoned city of Prypiat near the Chernobyl nuclear power plant. REUTERS/Vladimir Repik and Gleb Garanich