You are downloading the Space Pics XAP file v188.8.131.52 for Windows Phone. Space Pics is a free and useful Education app: This app displays pictures from space such as NASA's Picture of the day. App is free with no ads. There are images from the Chandra X-ray ... You can now download the offline XAP file to install & try it.
Download Locations for Space Pics 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Space Pics XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.