... Credit Copyright: Jerry Lodriguss ( Catching the Light ) Explanation: On March 27, five sounding rockets leapt into early morning skies from NASA's Wallops Flight Facility in Virginia. ... Releasing a chemical tracer they created luminous white clouds within Earth's ionosphere at altitudes above 60 to 65 miles, swept along by the poorly understood high-altitude jet stream . Not the same jet stream that airliners fly through at altitudes of 5 to 6 miles.) ... NASA Official: Jay Norris. ...