Key Points
Key Points: Moon Missions
- Since the Moon is the closest celestial body, it became the first target of space missions in the solar system.
- The Soviet Union’s Luna‑2 (1959) was the first spacecraft to reach the Moon; later Luna missions studied its composition, gravity, and radiation.
- Some unmanned Soviet missions successfully landed on the Moon and returned rock samples to Earth.
- The USA conducted manned Moon missions, and in 1969, Neil Armstrong became the first human to walk on the Moon.
- India’s Chandrayaan‑1 (2008) discovered the presence of water on the Moon, making India the first country to do so.
Key Points: Mars Missions
- Mars Mission (Mangalyaan) by ISRO was launched in 2013 and successfully entered Mars orbit in 2014.
- It was a low-cost mission that provided important data on Mars' surface and atmosphere.
- Rakesh Sharma was the first Indian in space (1984), and stayed 8 days under the Indo-USSR program.
- Kalpana Chawla spent 336 hours in space but died in 2003 during the Columbia shuttle disaster.
- Sunita Williams worked 29 hours outside the space station and spent 192 days in space, setting a record.
Concepts [14]
- Sky Watching
- Geo Centric Theory
- Epicycle Model
- Heliocentric Model
- Galaxy and Its Types
- Moon and Its Phases
- Stars and Their Types
- Other Heavenly Bodies of the Solar System
- Indian Space Research Organization (ISRO)
- Moon Missions
- Mars Missions
- Fundamentals of Telescope
- The Missile Man of India: A.P.J. Abdul Kalam (1931-2015)
- Indian Scientist
