NASA Rocket, Satellite Tag-Team to View the Giant Electric Current in the Sky

Some 50 miles up, where Earth’s atmosphere blends into space, the air itself hums with an electric current. Scientists call it the atmospheric dynamo, an Earth-sized electric generator. It’s taken hundreds of years for scientists to lay the groundwork to understand it, but the principles that keep it running are only just now being revealed in detail. More

(Source: SpaceCoastDaily.com - Jul 6)