S. Korea's space project gains traction for further exploration after Nuri 2 success
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On Tuesday, the Ministry of Science and ICT and Korea Aerospace Research Institute (KARI) successfully launched 2oo-ton Nuri, also known as Korea Space Launch Vehicle-II (KSLV-II), from the launch pad at the Naro Space Center in Goheung, South Jeolla at 4 p.m. It was the second attempt to lift off its own rocket into space after a first last October. The launch was originally planned to take place last week but was delayed due to strong wind and later technical glitch.
Korea has become the seventh space country capable of placing a satellite into space following Russia, the United States, France, China, Japan, and India. Tuesday’s launch has reconfirmed Korea’s competitiveness in space technology and paved the way for space exploration, officials said.
Nuri – carrying a performance-verification satellite and four cube satellites and a dummy payload – reached target orbit of 700 kilometers above the Earth. All three stages of the rocket engine separated as planned after liftoff.
Korea plans to proceed with the third launch of Nuri next year. The government will spend 687.3 billion won ($532.3 million) in a project to advance its own space launch vehicle to nurture space industry ecosystem and enhance vehicle reliability by 2027.
The third flight model (FM3) of Nuri rocket that will be launched next year is already in the process of assembly by stage. The third Nuri rocket and those onwards will load an actual satellite instead of a performance verification satellite.
The third Nuri rocket will carry NEXTSat 2, a low orbit, next-generation science satellite and Korea’s first standard small satellite developed by a satellite research center at Korea Advanced Institute of Science and Technology (KAIST) from 2012. The 150 kilogram next-generation small satellite will carry science equipment such as X-band image radar efficient for earth observation.
The previously developed 100 kilogram small satellite 1 had been launched on Falcon 9, a reusable rocket of U.S. Space X in the end of 2018.
The fourth Nuri rocket that is to be launched in 2024 will carry a 500 kilogram next-generation mid-size satellite No. 3 and an extra small satellite No. 1 weighing less than 50 kilograms. The Korean government plans to develop 100 mini satellites by 2031 for space environment observation and sixth generation telecommunications establishment.
The extra small satellite No. 2, 3, 4, 5, 6 will be loaded on the fifth Nuri flight model rocket in 2026 and in the following year, No. 7, 8, 9, 10, 11 will head to space on the sixth and last Nuri rocket.
Nuri that is capable of carrying 1.5 tons of satellites into low Earth orbit will also be used to provide satellite launch services to other countries.
“The service will be offered for free or at very low cost to boast practicality of Korean launch vehicle and raise global awareness,” said Lim Jong-bin, head of national space policy research center at Science & Technology Policy Institute.
Nuri will end its test with launch of a sixth vehicle and will be employed for development of other small and large launch vehicles. The 75-ton liquid engine from Nuri rocket development will also be used to improve performance and develop big and small launch vehicles through clustering that puts together many engines.
Korea also plans to apply know how from Nuri rocket development in developing next-generation launch vehicles from next year. The next-generation launch vehicle that will head further into space than Nuri will be developed as a two-stage launch vehicle based on liquid oxygen and kerosin. Although two staged, the next-generation vehicle will have more power and be developed to carry 1.8 tons of cargo to lunar exploration and lander orbit and 10 tons to low Earth orbit.
The first target will be launching a lunar landing module in 2031.
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