Satellite Technology — Current Affairs 2026
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ISRO's XPoSat Mission: A New Eye on Cosmic X-ray Polarization
January 1, 2024India successfully launched its X-ray Polarimeter Satellite (XPoSat) aboard the PSLV-C58 rocket. This mission is India's first dedicated effort to study cosmic X-ray polarization, offering unprecedented insights into the emission mechanisms from celestial sources like black holes, neutron stars, and active galactic nuclei. It carries two primary payloads: POLIX (X-ray Polarimeter) and XSPECT (X-ray Spectroscopy and Timing). This scientific endeavor places India among a select few nations with such capabilities, demonstrating ISRO's growing prowess in niche areas of space astronomy and fundamental research.
UPSC Angle: This mission is significant for UPSC Science & Technology. It highlights India's advancements in space science, particularly in astrophysics. Questions could focus on the objectives of XPoSat, the concept of X-ray polarization, its scientific significance in understanding extreme cosmic phenomena, and India's position in global space research. It also showcases the versatility of the PSLV launch vehicle.
GSLV F14 Launches INSAT-3DS: Boosting India's Weather and Climate Services
February 17, 2024ISRO successfully launched the INSAT-3DS meteorological satellite using its Geosynchronous Satellite Launch Vehicle (GSLV F14). This advanced satellite is designed to provide enhanced meteorological observations, monitor land and ocean surfaces, and offer disaster warning services. It carries an Imager, a Sounder, a Data Relay Transponder, and a Satellite Aided Search and Rescue (SAS&R) transponder, augmenting the capabilities of the existing INSAT-3DR. The mission reinforces India's commitment to improving weather forecasting, climate monitoring, and disaster management capabilities, crucial for a country highly vulnerable to natural calamities.
UPSC Angle: This event is highly relevant for UPSC, connecting Science & Technology with Disaster Management and Environment. Aspirants should understand the role of meteorological satellites like INSAT-3DS in weather prediction, cyclone tracking, and early warning systems. Questions may focus on the specific payloads, their functions, the importance of continuous weather data for India, and the GSLV's role in launching heavier GEO satellites. It also ties into India's resilience against climate change impacts.