What did Chandrayaan-1 discover on the Moon?

India’s Space Missions: From Chandrayaan to Gaganyaan

India’s space exploration journey, led by ISRO, has evolved from launching satellites to planning human spaceflights and planetary missions. Let’s explore this journey from Chandrayaan to Gaganyaan.

Timeline of Key Missions

• 1963: First sounding rocket from Thumba.
• 1975: Aryabhata – India’s first satellite.
• 1980: SLV-3 launched Rohini-1 into orbit.

Chandrayaan Missions

Chandrayaan-1 (2008): India’s first lunar mission. Discovered water molecules on the Moon.

Chandrayaan-2 (2019): Carried orbiter, lander, and rover. Lander crash-landed; orbiter is still functional.

Chandrayaan-3 (2023): Successfully landed on the Moon’s south pole. Carried Vikram lander and Pragyan rover.

Gaganyaan Program

India’s first human spaceflight mission aims to send astronauts into low Earth orbit using the LVM3 rocket.

• TV-D1 Test (2023): Validated crew escape system.
• Uncrewed Flights: Planned for 2025.
• Crewed Flight: Expected in 2026–27.

Technologies Behind the Missions

• Launch Vehicles: PSLV for satellites; LVM3 for heavy payloads.
• Landing Tech: Autonomous braking and thrusters for soft landings.
• Crew Module: Re-entry heat shield, parachutes, life-support.
• Vyommitra Robot: Simulates crew activities in test missions.

International Collaborations

• NASA: Co-developing NISAR Earth observation satellite.
• JAXA: Working with ISRO on LUPEX Moon mission.
• France and Russia: Training and technology support.

Future Missions

• Shukrayaan (2025): Venus mission.
• Mars Orbiter-2 (2026): Advanced Mars exploration.
• LUPEX (2028): Joint lunar mission with Japan.
• Space Station (2035): India’s own orbital station.

Why ISRO Matters

• Promotes self-reliance in space technology.
• Provides affordable launch services globally.
• Strengthens national security and communication.
• Inspires youth in science and innovation.

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