You are downloading the Constellations XAP file v126.96.36.199 for Windows Phone. Constellations is a free and useful Education app: Take a tour of the constellations to find out about their names and where they are. Then try some of the quizzes to see if you can pick them out on ... You can now download the offline XAP file to install & try it.
Download Locations for Constellations 188.8.131.52 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Constellations XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.