EUMETSAT (IMAGE) Helmholtz Association Caption Dust source activation on March 23 11:00 UTC over the southern Ukraine (arrow). Credit Source: EUMETSAT 2007 Usage Restrictions (c) EUMETSAT 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.