This picture shows pulsating blue jets firing up in the night sky of Darwin, Australia on March 28, 2016. But what are these mysterious and elusive transient luminous events? Blue jets are a highly enigmatic high altitude optical phenomenon and were first documented on October 21, 1989, from the Space Shuttle as it passed over Australia. … Continue reading Pulsating blue jet fires up from the top of a thunderstorm over Darwin, Australia