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Tiangong
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3-D model of Tiangong 1 Tiangong 2
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Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
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3-D model of Tiangong 1
3-D model of Tiangong 1 3-D model of China's Tiangong 1 space station.

Tiangong

Chinese space stations
Written by
Erik Gregersen
Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the...
Erik Gregersen
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
Britannica Editors
History

Tiangong, any of a series of three Chinese space stations, the first of which was launched on September 29, 2011. The first two Tiangongs were each an 8,500-kg (18,700-pound) cylinder that was 3.4 metres (11.2 feet) in diameter. They had two sections: a forward pressurized module that contained the astronauts’ living space and an unpressurized rear instrument module that contained Tiangong’s propulsion system. A pair of solar arrays attached to the instrument module provided power...

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