Q. PSLV Orbital Experimental Module-4 (POEM-4) is a space research platform developed by which space organization?
Answer: Indian Space Research Organisation (ISRO)
Notes: POEM-4, or PSLV Orbital Experiment Module-4, recently re-entered Earth’s atmosphere and fell into the Indian Ocean, as tracked by ISRO’s IS4OM (System for Safe and Sustainable Space Operations Management). It is a space research platform developed by ISRO (Indian Space Research Organisation) using the spent fourth stage (PS4) of the PSLV (Polar Satellite Launch Vehicle) rocket as an orbiting lab. POEM-4 is part of the SpaDeX (Space Docking Experiment) mission and is the fourth in the POEM series, after POEM-3. It has three times more payload capacity than POEM-3, showing major progress in reusing rocket stages for science.

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