Particles from the magnetosphere collide with particles in the atmosphere and cause the atmosphere to glow. Front - Central America Sea breeze fronts develop due to horizontal summer daytime thermal and pressure differentials between the heated land and open water. The fronts manifest themselves as lines of enhanced inland convection. Oasis areas in the lower portion of the image appear due to the same reason.
Urban areas appear dark in the image in contrast with the snow.
Glacial Pack Ice - Greenland Glacial pack ice formations are found off the southwestern coast of Greenland. Also notice the high albedo ice sheet coverage. This image of the Shackleton Coast, Ross Ice shelf in Antarctica shows glaciers and large ice sheets. The sun angle in this image shows the fine topography of this beautiful mountain range in South America. The image shows morning fog in the Po valley of Northern Italy.