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Pujiang-1, also known as PJ-1, is a Chinese technology demonstration satellite [1] designed to promote the construction of smart cities in China. [4] PJ-1 also monitors weather, traffic and population density of a city. It is the first Chinese satellite that uses 3D printing for the titanium structure of its antenna. [5]
The third satellite, BeiDou-1C (a backup satellite), was put into orbit on 25 May 2003. [28] The successful launch of BeiDou-1C also meant the establishment of the BeiDou-1 navigation system. On 2 November 2006, China announced that from 2008 BeiDou would offer an open service with an accuracy of 10 metres, timing of 0.2 microseconds, and speed ...
In 2023, Yes Theory visited it and published a YouTube video titled "I Explored China's Failed $1 Billion Copy of Paris (real city)" showing that, while it was less crowded than many other Chinese cities, it certainly wasn't a ghost town. [7] English musician Jamie xx filmed a music video for his song Gosh in Tianducheng. [8] Aerial View of ...
The antennas of Sheshan, Ürümqi, Miyun, Kunming and Tianma can be interconnected to form a national association and in this way form the Chinese VLBI Network (CVN), a VLBI telescope the size of China. The evaluation of the data from the CVN takes place in the VLBI observation base Sheshan of the Shanghai Astronomical Observatory.
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Queqiao-2's designed lifespan of at least eight years will allow it to support lunar missions beyond 2030, when China is expected to land its first astronauts on the moon.
The third satellite of the Tongxin Jishu Shiyan program, TJS-3, is still largely shrouded in secrecy with observers unable to determine if the satellite performs an early warning or signals intelligence mission. [17] Said to have only had one payload aboard during its 2018 launch, observers detected a secondary object separate from TJS-3 in orbit.