Thor's Helmet nebula is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. The central star is an extremely hot giant Wolf-Rayet star, though
This weeks wallpaper is a single tree and its reflection on a small island, with a full moon rising behind it. The island and tree are dark, with the rest of the images in varying shades of blue. Icons do very well with this mostly blue wallpaper.
Red Velvet Voyage Sailing the earths waters Inspirations and voyage dreams. Sail boats in the blue oceans, cloud filled skies, the beauty of planet earth!Sailboat and the sky opening up to the heavens.