Dust Particles in the Atmosphere (IMAGE) U.S. National Science Foundation Caption The comparative sizes of dust particles in the atmosphere. The photo is a satellite image of a 1992 dust storm over the Red Sea and Saudi Arabia. Credit NCAR 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.