The bizarre jellyfish made of electricity that hover over thunderstorms

Lightning storms are pretty impressive on the ground, but up in the air, they can be even more astonishing. In 1989, people noticed that sudden blue lines erupted from the top of thunderstorms. They would also see what looked like bright red jellyfish hanging over the clouds. These two optical phenomena were called… » 9/14/12 8:30am 9/14/12 8:30am