PSLV-C51 Subject: Science and Technology Context: ISRO’s workhorse Polar Synchronous Launch Vehicle delivered its 53rd successful mission on Sunday. Concept: It launched Amazonia-1, a 637-kg commercial remote sensing satellite for the Brazilian space research agency INPE, and 18 co-passenger satellites (five being Indian satellites and 13 from the US) from Satish Dhawan Space […]