Space Technology & Defence – Quick Revision (Page 4)
Shaktimatha Learning – Rapid Revision Notes
1. One Line Concepts
- ISRO – India’s space agency
- DRDO – Defence research organization
- PSLV – Launches light satellites
- GSLV – Launches heavy satellites
- NavIC – India’s navigation system
- Remote sensing – Data collection from distance
- GEO – Fixed orbit
- LEO – Low Earth orbit
2. Important Missions
- Chandrayaan-3 – Moon landing mission
- Aditya-L1 – Sun observation mission
- Gaganyaan – Human space mission
3. Satellites Quick View
- Communication – TV, Internet
- Weather – Cyclone, rainfall
- Navigation – GPS, NavIC
- Remote sensing – Earth observation
4. Defence Systems Quick Points
- Ballistic missile – Long range, curved path
- Cruise missile – Low altitude, high precision
- BrahMos – Supersonic cruise missile
- Radar – Detection system
- Drones – Surveillance and combat
5. Advanced Technology Summary
- Artificial Intelligence – Smart defence systems
- Space warfare – Military use of satellites
- ASAT – Anti-satellite weapon
- Hypersonic – Speed above Mach 5
- Quantum tech – Secure communication
6. Exam Focus Areas
- ISRO missions (very important)
- Types of satellites
- Missile classifications
- Navigation systems (NavIC)
- Emerging defence technologies
7. Quick Memory Tricks
- PSLV = Light | GSLV = Heavy
- GEO = Fixed | LEO = Fast
- Ballistic = Curve | Cruise = Straight
- ISRO = Space | DRDO = Defence
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