Ship tracks are visible in a marine cloud layer over the North Pacific Ocean on September 29, 2009.
Published Jul 4, 2010
Ships and islands contributed to an intricate cloud pattern over the northern Pacific Ocean in April 2013.
Published May 5, 2013
Acquired October 5, 2009, this true-color image shows ship trails, which appear brighter and denser than the surrounding clouds, embedded in a cloud bank off the west coast of North America.
Published Oct 7, 2009
Serpentine clouds crossed tracks in the eastern Pacific Ocean in mid-January 2013.
Published Jan 20, 2013
They may look like airplane contrails, but the streaky clouds shown in this photo-like image formed around the exhaust left in the wake of ships traveling along the northwest coast of North America.
Published Jan 26, 2008
