The Long March 1 was the first China rocket, a 98 feet long, three-stage vehicle that launched Dong Fang Hong 1 into orbit on April 24, 1970. It was the country’s fifth satellite, and the launch commemorated the launch of the first satellite in orbit. April 24 is now China’s annual Space Day. Long March 1 used a toxic propellant mix and was based on the Dongfeng 3 ballistic missile. It was retired after its second launch.
The Chinese government has been defending their space program after an apparent Chinese rocket was spotted in space. In March, a Nasa-funded space survey discovered a rocket part but soon lost interest once it was determined it wasn’t an asteroid. Nevertheless, the rogue rocket is just one piece of space junk, including hardware from missions and satellites. While some pieces of space junk orbit close to Earth, many others are thousands of kilometres away. According to NASA, there are currently more than 36,500 pieces of space junk in orbit.
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The Chinese state media have been publishing photos of China’s rocket impact sites for several years now. Local residents comb through debris. Security authorities cordon off the area. CCTV broadcasts video of the site. The images have prompted widespread public interest in the project. China has also begun developing a long-range rocket that can reach Mars.
The long-range trajectory of the Long March 5B China rocket raises many questions. Most rockets are designed for controlled re-entry. The goal is to burn up in the atmosphere before returning to Earth, but if the rocket breaks up during re-entry, it can endanger people and structures on the ground. Therefore, Chinese engineers decided to forgo these options. Despite these challenges, Chinese space agencies are confident in their rocket’s abilities to meet international standards.
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On August 3 in Guangzhou, China, a rocket developed by Chinese commercial space firm iSpace successfully lifted off and landed in Earth orbit. The rocket’s diameter at the apex is 4.6 feet and it measures 68 feet in height. The rocket weighs 31 tons, and the first stage burns solid propellants. Its second stage is liquid-fueled and takes the satellite into orbit.
The Chang’e 1 China rocket has successfully launched the first Chinese lunar probe into orbit. The 127kg payload is about 280 pounds in mass. It will fly one year before returning to Earth. The Chinese government wants to make the mission a success and the first Chinese spacecraft has achieved this milestone. Chang’e 1 is the first of its kind, and the success of this mission will be critical for China’s space exploration program.
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The Chang’e 3 China rocket has been launched. The rocket is powered by a single main engine, which was developed in China. The engine uses a pintle-type flow rate regulating device and a 60cm nozzle. The engine is optimized for vacuum conditions and baselined to generate 1,500 to 7,500 Newtons of thrust. The rocket also features an active cooling system and high-pressure gas pressurization.
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The propulsion system used by Chang’e 3 is not known officially but is based on the same technology used in previous Chinese space missions. The rocket uses a throttling main engine to accelerate and a thruster for attitude control and re-orientation manoeuvres. The Chang’e 3 uses a high-pressure gas for pressurization and an active cooling system to keep the fuel and engine cool. Read More