NASA Eyes
7.8#2 in astronomy appsFree planFree planAndroidiOSWebLinux
VisitIt suits people who want to explore NASA mission, Earth, and space data in a browser, as well as educators and museums looking for exhibit or program materials.
Stellarium suits people who want a detailed sky simulation on a desktop, including users interested in telescope control or exploring different cultural sky traditions. Its offline access also suits users who want to use the desktop software without a connection.