10. Space Missions

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Space missions have been undertaken for close observation of various objects in our solar system.

Need and importance of space missions:

Today, we can contact a person in any part of the world within a second. We can gather information about worldwide events sitting at home.

You all know the importance of internet. Due to internet, every information is available at our fingertips.

It has become possible to get advance alert about natural calamities and take proper precautions.

During war, it is possible to get information about the actions of the enemy through aerial surveillance using satellites.

It is also possible to explore the fossil reserves and minerals in the earth. Thus, there are unlimited applications of space missions.

Today, space technology is an inevitable part for development of a nation.

Important satelite and launch vehicles

NSAT: Indian National Satellite

GSAT: Geosynchronous Satellite

IRNSS: Indian Regional Navigation Satellite System

IRS : Indian Remote Sensing Satellite

GSLV: Geosynchronous Satellite Launch Vehicle

PSLV: Polar Satellite Launch Vehicle

Rakesh Sharma

Rakesh Sharma was the first Indian to travel to space. He went into space along with two Russian astronauts under the joint Indo – USSR space programme. He stayed in space for 8 days.

Kalpana Chawla

Kalpana chawla obtained her Engineering in Aeronautics degree from Punjab and in 1988 obtained her doctorate from University of Colorado. She was in space for 336 hrs during research mission. While returning to earth from space, on 1st February, 2003, the Columbia space craft exploded and Kalpana perished.

Sunita Williams

Sunita Williams travelled to the international space station in space shuttle Discovery in 2006. She worked for 29 hrs outside the space station. She created a record by staying for 192 days in space.