Airglow Infographic (IMAGE) NASA/Goddard Space Flight Center Caption The ionosphere is a region of charged particles in near-Earth space that coexists with the neutral gases in the upper atmosphere, which are sometimes shaped by weather events in the lower atmosphere. Credit NASA's Goddard Space Flight Center/Duberstein 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.