Sunday, 13 January 2019

Space Craft

Space crafts, an orbital vehicle in the space for research, communication, transportation etc. Depending upon the purpose there are three types of space crafts classified as:
  • ·         Crewed space craft
  • ·         Space planes
  • ·         Unmanned space crafts

With constant progress in astronomy, Crewed Space Crafts is an important project all around the globe. On the occasion of Independence Day, our beloved Prime Minister announced our first Crewed mission by ISRO:  Gangayaan, India’s first manned Space Mission.
It started in 2006, which took couple of years to finalize the design. This will be a Crewed Space craft with 3 people on-board. The journey is planned for the duration for 7 days to reach the orbit and safely return to the Earth. While the testing is in process, it will have two test flights, in December 2020 and June 2022 respectively. The final crewed flight is expected to take off by December 2022, thus marking India the 4th Nation in the world to send crewed Space crafts after Russia, USA and China.
This 3.7 tons spacecraft having 16 minutes of liftoff time will be taking off from Sriharikota and will be into the orbit 300 to 400 Kilometer above the earth surface. Such an excitement!
Well sending a spacecraft isn’t everything about how to develop and launch. While sending a human force, there are different parameters that need to be taken care off like the environment control, life support, emergency escape etc. Different areas of engineering including aeronautics, mechanics, communication, information technology, thermal, electrical, etc. are involved marking a multi-functional project.

It includes Attitude Determination and Control for the altitudes control, the

Telemetry, tracking, and command (TT&C) used for communication between spacecraft and the ground systems.  Communication on board Spacecrafts takes place using radio antennas which is known as satellite communication while few spacecraft communicate using lasers. Also it has different Source for Power Generation and Propulsion for the thrust.
No wonder why rocket science is associated with the most difficult tasks around the world!
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