::::::::::::::: Description :::::::::::::::This is an earth science layers of the atmosphere based watercolour clip art set with Black and white images included in the set.The images included in this set are: layers of the atmosphere, astronaut, fireball, cloud, moon, digital paper, earth, exosphere, helicopter, hot air balloon, layers of the atmosphere b&w all layers, layers of the atmosphere picture, star, plane, rocket, spaceship, sun, planet, zeppeline, unidentified flying object.:::::::