29 December 2019
As a milestone project upgrading China's launch vehicles, the development of the CZ-5 covered the most diversified engineering technologies and overcame the most difficult problems in the country's carrier rocket history, completing a massive scale of tasks along the way. The CZ-5 rocket, uses more than 200 key technologies, it is more complex than any previous Long March rocket, and its design workload was more than 3.5 times that of previous projects. China also built the largest simulation laboratory in Asia for its tests.
Advanced digital technologies were applied in the design, analysis and tests, more than 10,000 space engineers participated in the design, research and development of the CZ-5, which lasted for more than 10 years. Friday's launch marks the end of a fruitful year for China's aerospace sector.
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30 December 2019
The SIASAIL-I solar sail deorbit test project, developed by the Shenyang Institute of Automation under the Chinese Academy of Sciences has successfully verified key technologies in orbit. According to the data and pictures returned from the satellite, the key technology test of the "SIASAIL-I" solar sail is progressing smoothly, which marks the success of the solar sail verification mission. SIASAIL-I was launched - attached to SpaceTY Xiaoxiang 1-07 satellite - by a Kuaizhou-1A carrier rocket from the Jiuquan Satellite Launch Centre on 30 August (BJT: 31 August) 2019.
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UPDATE: Solar sail in Earth orbit is big breakthrough for China

29 December 2019
Keith Cowing, editor for NASA Watch and SpaceRef.com, talks about what the launch of China's Long March 5 means for the country's goals in space - and how it can benefit humanity.
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Prof. Yang Yuguang discusses China's Space Programme - CGTN's Roee Ruttenberg spoke with Yang Yuguang, Professor from China Aerospace Science and Industry Corporation, about China's Space Programme.
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02 January 2020
China's Quantum Experiments at Space Scale - Micius satellite has successfully conducted an 8-minute-long encrypted data transmission with a mobile ground station, marking a world's first. The successful space-ground quantum communication experiment was conducted around midnight on Monday in Jinan, East China's Shandong Province. The project is led by Pan Jianwei. The mobile quantum satellite ground station, which can be installed on a vehicle, work anytime and anywhere, weighs slightly over 80 kg and has the size of a paint bucket. It was jointly developed by the UTSC, QuantumC Tek, a leading manufacturer and provider of QIT-enabled ICT security products and services and the Jinan Institute of Quantum Technology.
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UPDATE on SCMP: Chinese scientists develop portable quantum satellite communication device