Elves, Sprites and Blue Jets (IMAGE) Spanish Foundation for Science and Technology Caption This graphic shows the outlines of the elves (elves), elves (sprites) and blue jets of storms. Credit Danish National Space Center Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.