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On May 15 (local time), Chinese Mars probe Tianyuan 1 safely landed on Mars. China became the second country to successfully explore the surface of Mars. China has been quiet about the timing of the landing for several months due to secrecy. However, Ye Peijian of the Chinese Academy of Sciences, who was teaching in Beijing on the 15th, made it clear that the probe had landed on the surface of Mars at 7:11 on the 15th.
China’s National Port and Heaven Bureau did not broadcast live, but made a media announcement that it was successful after the landing. Tenwon 1 was launched in July 2020 and was orbiting in the atmosphere of Mars on February 24 this year. Tenwon 1 went out of orbit and began an attempt to settle the six-wheeled rover on Mars.
After entering the atmosphere of Mars at a speed of 4km per second, wrapped in a heat sink, the control center entered the 7th minute of fear, a stage where the control center could not immediately react for a tremendous distance. For reference, it takes about 18 minutes for the signal to reach Mars.
It uses a laser rangefinder that calculates your current position compared to the Martian terrain, and a microwave sensor that measures more accurate speed. They are used to correct orbit during the descent phase using a parachute. During the final descent phase, which is powered, optical or lidar imaging will assist in hazard detection.
After landing on the plains of Utopia, the trap was deployed and the probe weighed 240 kg landed. The Mars probe, Kowloon, is derived from the god of fire in Chinese mythology, and plans to study Mars topsoil, rocks, geology, and atmosphere using various scientific equipment over the next three months. It also explores underground ice traces. The mission to arrive on the Utopia Plain is the second time after NASA’s Viking 2 in 1976.
If the landing is successful, but the surface exploration is successful, China will be ranked as the second country in history after the United States. The former Soviet Mars 3, which made a soft landing on Mars in 1971, was the first probe to make a soft landing on the surface of Mars, but its activity was only to transmit data in less than two minutes from landing until it was permanently terminated. Since 1976, nine NASA missions have arrived on the surface of Mars. The European Space Agency attempted to land a probe in 2016 as part of the Exomas mission, but it ended as a result of a crash due to a software error. Tenwon 1 became one of three missions that arrived on Mars this year, along with the NASA probe Perservance and the UAE’s Hope probe.
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