Atlas V Arc of Light: Rocket launched with twin Radiation Belt Storm Probes sent to explore the Van Allen Belts that surround Earth. Astrophotographer Mike Killian took this photo from Cape Canaveral Air Force Station in Florida Aug.
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.