You are downloading the NASA Astronomy XAP file v188.8.131.52 for Windows Phone. NASA Astronomy is a free and useful Education app: NASA Astronomy is an app designed for those interested astronomy, our solar system, or the universe. Provides news feeds, PDF documents related to ... You can now download the offline XAP file to install & try it.
Download Locations for NASA Astronomy 184.108.40.206 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline NASA Astronomy XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.