Analysis of information sources in references of the Wikipedia article "Tiangong program" in English language version.
"天宫二号"后，不再开发"天宫三号"，中国将直接进入空间站时代，空间站预计2022年建成 (After "Tiangong-2", no longer develop "Tiangong-3", China will directly enter the era of space station, the space station is expected to be completed in 2022)
China's most adventurous space endeavor, the multimodule space station, named Tiangong, or Heavenly Palace, will be mainly composed of three components
最终决定沿用"天宫"作为载人空间站的整体名称，但后面不再加序号 (The final decision was to use "Tiangong" as the overall name of the manned space station, but without the serial number at the end)
China is ready to carry out a multiphase construction program that leads to a large space station around 2020. As a prelude to building that facility, China is set to loft the Tiangong-1 module this year as a platform to help master key rendezvous and docking technologies.
China often chooses poetic names for its space projects, such as Chang'e – after the moon goddess – for its lunar probes; its rocket series, however, is named Long March, in tribute to communist history. The space station project is currently referred to as Tiangong, or "heavenly palace".
China's most adventurous space endeavor, the multimodule space station, named Tiangong, or Heavenly Palace, will be mainly composed of three components
The Tianhe module will act as the management and control hub of the space station Tiangong, meaning Heavenly Palace
