2 Days After Space Station News, ISRO Calls for ‘Docking Experiments’ on PSLV Stage-4
The PS4 is the last stage of the Polar Satellite Launch Vehicle (PSLV) rocket, which until now used to go waste after putting the spacecraft into the desired orbit. Isro, in the last two attempts tried to keep PS4 alive in space, and was successful. As the next step, it has now called for experiments from national and international institutions. The experiments will cover six areas, including space docking