Collection of 900 NASA photos that can be used as desktop background wallpaper or to view by slideshow. Random collection of the shuttle, the international space station, more. Most photos are very large 1200 x 1600 resolution and includes some never seen before photos of Mars landscape. Some photos are so amazing they are truly spectacular from orbital views and most in sharp color. Gives you a large collection of space, shuttle history desktop backgrounds with a nice variety of photos to enjoy. More photo sets coming in the future. All credit to NASA for these spectacular photos. Samples are 10% of actual size. Smaller photo sets are now available at a lower price. Free with sign up for web services. See buy now page for details.