Noctilucent Clouds (IMAGE) NASA/Goddard Space Flight Center Caption This image shows one of the first ground sightings of noctilucent clouds in the 2007 season. Credit Veres Viktor of Budapest, Hungary taken on June 15, 2007 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.