Aleutian Clouds

Aleutian clouds exhibit color variations that are probably due to differences in temperature and in the size of water droplets. Original image.

Also for cloud gazers : Karman Vortices in the lee of the Alexander Selkirk Island in the southern Pacific Ocean. Here are more Karman Vortices that have formed over part of the Kuril Island chain found between Russia"s Kamchatka Peninsula and Japan.

Earth as Art thumbnails.