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China Launches Tianzhou 3 Cargo Spacecraft to Support Tiangong Space Station

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China has successfully launched its third Unmanned Cargo Aircraft (UCA) named Tianzhou-3 or Heavenly vessel from the Wenchang Spacecraft Launch Site in the southern province of Hainan, China, with help of the Long March-7Y4 rocket.

  • Objective: To deliver fuel to the under-construction space station of China, Tiangong and will bring back three astronauts who have been there for almost 3 months.
  • The Tiangong space station will be completed by 2022 and with its completion, China will become the first country to own a space station.


i.Tianzhou-3 was successfully docked with the core Tianhe module of the space station.

ii.China plans to launch two additional core modules for the space station- Wentian and Mengtian on the Long March 5B rockets.

iii.The space station once completed, will give competition to ISS (International Space Station), which was constructed by the United States (US), Russia, and Japan.

  • China was restricted from participating in the ISS by the US.

About Tianhe station:

i.Tianhe or Heavenly Harmony is the third and largest space station launched by China on April 29, 2021, to operate in the Low Earth Orbit (LEO) at an altitude of 340-450km above Earth’s surface for more than 10 years.


  • The T-shaped station has one Core Module at the centre and a Lab Capsule on each side.
  • Each module weighs around 20 tonnes and the total mass of the station will be around 66 tonnes.
  • It has a robotic arm, which can be stressed up to 15 metres.

iii.Cooperating Countries– Russia, France, Italy, Pakistan, etc.

Why Astronauts will be sent?

The Space Crew will be sent to the station to practice spacewalks and conduct repairs, maintenance and conduct scientific operations.

About Tianzhou:

i.It is a Chinese automated cargo spacecraft that was developed by China’s first space station Tiangong-1. It is used to resupply modular space stations. Spacecraft was launched on the Long March 7 rocket from Wenchang in 2017. This was the first version of the spacecraft and has a mass of 12,910 kg.

ii.Tianzhou-2: This spacecraft was lifted-off from China carrying 6.8 tons of cargo such as space suits, food and equipment for astronauts and fuel for the station.

Future plans

Further China plans to carry out more space launches for the building of space station in 2021 such as the manned flight on a Shenzhou-13 spacecraft via a Long March-2F rocket from Jiuquan centre.

Recent Related News:

China National Space Administration (CNSA) launched a new meteorological satellite ‘Fengyun-3E (FY-3E)’ aboard a Long March-4C carrier rocket from Jiuquan Satellite Launch Center in China. Called the ‘dawn satellite’, FY-3E is the world’s 1st meteorological satellite for civil service in a dawn-dusk orbit.

About China

President- Xi Jinping
Currency –Renminbi
Capital- Beijing