High-Velocity Impact (IMAGE) American Institute of Physics Caption The high-velocity impact of a piece of dust or orbital debris generates plasma and an associated Radio Frequency emission. Credit Fletcher/Close Usage Restrictions This image may be used only with appropriate credit. 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.