Categories: Science and Technology

What did Chandrayaan-1 discover on the Moon?





India’s Space Missions: From Chandrayaan to Gaganyaan


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.

MCQ Quiz

Q1. What did Chandrayaan-1 discover on the Moon?

a) Lava tubes
b) Volcanoes
c) Water molecules
d) Frozen gas

Answer: c) Water molecules

Explanation: NASA’s instrument on Chandrayaan-1 confirmed water molecules on the lunar surface.

Q2. Chandrayaan-3 landed near which lunar region?

a) North Pole
b) Equator
c) South Pole
d) Mare Tranquillitatis

Answer: c) South Pole

Explanation: It became the first mission to land near the Moon’s south pole.

Q3. Vyommitra is:

a) A scientist
b) A humanoid robot
c) A lunar rover
d) A satellite

Answer: b) A humanoid robot

Explanation: Vyommitra will simulate astronaut duties in Gaganyaan test missions.

Q4. What is LVM3 used for?

a) Internet services
b) Satellite TV
c) Heavy payload launches
d) Submarine navigation

Answer: c) Heavy payload launches

Explanation: LVM3 is ISRO’s most powerful rocket, used in Moon and Gaganyaan missions.

Q5. What is Shukrayaan?

a) A Mars mission
b) A Moon orbiter
c) A mission to Venus
d) A solar observatory

Answer: c) A mission to Venus

Explanation: Shukrayaan will study Venus’s atmosphere and surface conditions.


Soleman Ali

Soleman Ali is an educator, quiz creator, and content developer dedicated to helping students and competitive exam aspirants learn in a simple, practical, and result-oriented way. He is the founder of SAQA (Soleman Quiz Academy) and Learning GS (learninggs.com), platforms designed to support learners through well-structured current affairs quizzes, general knowledge practice, mental ability guidance, and exam-focused MCQs. His content is especially useful for aspirants preparing for SSC, Banking, Railways, State-level competitive exams, and school-level competitions. By combining interactive quizzes with clear explanations, he focuses on improving learners’ accuracy, speed, and confidence. Through SAQA and Learning GS, his mission is to make quality exam preparation accessible, consistent, and effective for all learners, regardless of their background or resources.

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Soleman Ali
11 months ago

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