with the highly-anticipated aditya-l1 solar mission taking flight on saturday, the european space agency (esa) is lending a crucial hand in two significant ways: by offering deep space communication services and aiding isro in validating critical new flight dynamics software. communication is an essential part of every space mission. without ground station support, it is impossible to get any science data from a spacecraft, to know how it is doing, to know if it is safe or even to know where it is, esa said