NASA's Terra satellite image of the Gulf oil spill taken on Saturday

NASA's Terra satellite image captured as it flew over the Gulf oil spill during its orbit on May 22, 2010 at 17:00 UTC (1 pm EDT). The oil slick (top left) is located southeast of the Mississippi Delta and appears as a dull gray color. Some high clouds (white) float over the northern extent of the spill. REUTERS/NASA/Goddard/Terra / Handout (UNITED STATES - Tags: DISASTER ENERGY ENVIRONMENT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS