Envisat Radar Image of the Oil Spill (IMAGE) European Space Agency Caption This Envisat radar image captures the oil that is spilling into the Gulf of Mexico after a drilling rig exploded and sank off the coasts of Louisiana and Mississippi on April 22, 2010. The oil spill is visible as a dark gray whirl in the bottom right. Envisat acquired this image from its Advanced Synthetic Aperture Radar on April 26 at 15:58 UTC. Credit ESA Usage Restrictions For non-commercial use only 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.