You are downloading the NASA Earth XAP file v188.8.131.52 for Windows Phone. NASA Earth is a free and useful News & Weather app: Everyday the app features a different image and story about climate and the environment. You can also make the app your lock screen image provider if ... You can now download the offline XAP file to install & try it.
Download Locations for NASA Earth 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 NASA Earth XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.