Space Technology & Defence Systems – Advanced Concepts
Shaktimatha Learning – Special Topic (Hindi + English)
Orbit Types (कक्षा के प्रकार)
✔ LEO (Low Earth Orbit)
- Used for satellites and ISS
✔ MEO (Medium Earth Orbit)
- Used for navigation systems
✔ GEO (Geostationary Orbit)
- Used for communication satellites
Navigation Systems
✔ GPS – Global Positioning System (USA)
✔ NavIC – India’s navigation system
✔ GLONASS – Russia
✔ Galileo – European Union
Missile Technology (मिसाइल तकनीक)
✔ Ballistic Missiles
- Follow a curved trajectory
✔ Cruise Missiles
- Fly at low altitude with precision
✔ Examples:
- Agni (Ballistic)
- BrahMos (Cruise)
Modern Warfare Technology
✔ UAVs (Unmanned Aerial Vehicles)
✔ AI-based defence systems
✔ Satellite surveillance
✔ Cyber warfare
Important Differences (Exam Trap)
PSLV vs GSLV:
- PSLV → Light satellites
- GSLV → Heavy satellites
Ballistic vs Cruise Missile:
- Ballistic → High speed, long range
- Cruise → Low altitude, high accuracy
High Probability Questions
- NavIC vs GPS difference
- GEO orbit uses
- Missile classification
- PSLV full form and use
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