China to launch space station core module by 2018

China is set to launch a core module belonging to its first space station around 2018, a China Aerospace Science and Technology Corporation official said on Thursday.

Two space labs will be launched later and dock with the core module, "Tianhe-1," said Wang Zhongyang, spokesperson with a key research institute attached to the corporation.

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Construction on the space station is expected to finish around 2022, Xinhua news agency quoted Wang as saying.

The space station is expected to consist of the core module, and the two attached labs, each weighing about 20 tonnes.

In 2017, the country's first cargo ship Tianzhou-1, which literally means "heavenly vessel," will be sent to dock with Tiangong-2 and test some of the important systems.

After the space station is in operation, the country also plans to launch a space telescope similar to the Hubble Space Telescope, which will be on a separate space unit and share orbit alongside the space station, Wang said.

China launched its first space lab, Tiangong-1, in September 2011 and conducted two dockings with the module the following two years.

The Tiangong-1, which ran for four-and-a-half years, has fulfilled its mission and ended service in March. It still remains in orbit and will descend gradually in the coming months until it burns up in the atmosphere.