Close-up of slick on April 29
3 of 15 from Massive oil spill imperils Gulf Coast (images)
A close-up image of the oil slick as seen on Thursday. Appearing as interlocking comma-like shapes--one almost transparent and one opaque--the oil slick comes close to touching the Mississippi Delta. The slick is made highly visible because of the reflection of the sun on the water.
April 29, 2010 4:16 PM PDT
Photo by: Jesse Allen, NASA Earth Observatory