Which university was founded by Duke Rudolph IV in 1365 and operates an optical astronomy spacecraft called UniBRITE-1?
UniBRITE-1:  UniBRITE is an optical astronomy spacecraft operated by the University of Vienna as part of the BRIght Target Explorer programme. University of Vienna:  It was founded by Duke Rudolph IV in 1365 and is one of the oldest universities in the German-speaking world.
University of Vienna