If you're an astronomy nerd you likely already know about the Astronomy Picture of the Day, a Web page run by NASA that displays a different astronomy-related image with a brief explanation every day. APOD Wallpaper places the picture of the day on your desktop and automatically updates it daily, making sure that you don't miss out on any space-related geekery.
The program appears as an icon in the system tray once it's opened, and clicking on it gives access to a menu with a handful of settings. You can set whether the image will be stretched, scaled, centered, or tiled, and whether the program runs on start-up. The program can be set to update the image at a particular time each day, or the image can be updated manually. Using APOD Wallpaper doesn't mean that you have to miss out on NASA's explanation of each image, either; right-clicking on the icon reveals a context menu item that provides the explanation in a small pop-up. There's no Help file, but everything about this tool is pretty intuitive. Overall, APOD Wallpaper is a simple program, but it's a lot of fun to have around if you're as fascinated by outer space as we are. It's nice to look at and educational, too.
APOD Wallpaper comes as a ZIP file and is accessible after extraction with no need for installation.
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APOD Wallpaper is an application to update the Windows desktop wallpaper from the Astronomy Picture of the Day (APOD) web site. The APOD site has cool pictures of stars, nebula, galaxies, space missions, and planets along with descriptions like the one below. The APOD WallPaper software changes the Windows desktop wallpaper everyday so that you don't miss any of the APOD images.