ISRO PSLV-C61 Launch Explained | EOS-09 Radar Satellite & India’s Space Vision 2025 🚀

On May 18, 2025, ISRO successfully launched the PSLV-C61 mission, carrying the powerful EOS-09 (RISAT-1B) satellite — a major leap for India’s Earth observation and radar imaging capabilities.
This video dives into:
🔹 What PSLV-C61 is:
– PSLV-C61 is the 59th flight of the PSLV series
– Config: PSLV-QL variant (4 solid strap-on boosters)
– Lift-off mass: Approx. 320 tons
– Launch site: Satish Dhawan Space Centre, Sriharikota
🔹 Satellite Payload – EOS-09 (RISAT-1B):
– Type: Radar Imaging Satellite
– Instrument: Synthetic Aperture Radar (C-band)
– Capability: High-resolution Earth imaging day & night, all-weather
– Orbit: 500-600 km sun-synchronous orbit
– Use Cases: Border monitoring, agriculture, urban planning, flood & cyclone tracking
🔹 Key Technologies:
– SAR (Synthetic Aperture Radar) for cloud-penetrating imaging
– Simultaneous multi-mode imaging: Stripmap, ScanSAR, Spotlight
– Real-time surveillance & rapid disaster response
– Lightweight satellite platform with efficient power system
🔹 Why This Mission Matters:
– Boosts India’s space-based situational awareness
– Enhances disaster management, crop forecasting, and defense
– Continues India’s push in self-reliant space surveillance
– Strategic move toward advanced “spy satellite” capabilities with civil & defense dual-use
🎯 Whether you're a space lover, science nerd, or tech enthusiast, this breakdown gives you a clear, in-depth view of India’s space progress and innovation.
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