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NASA: Navigation failure caused the mission of the "Wit" Mars helicopter to end. NASA said on December 11 that the investigation and evaluation of the "Wit" Mars helicopter showed that the navigation system failure was the cause of the rotor damage and the end of the mission during its landing. The "Wit" helicopter landed on Mars with the American "Perseverance" rover on February 18th, 2021. It weighs about 1.8 kilograms, has four rotors, and is powered by solar panels for lithium batteries. On April 19th of the same year, Wit completed its first flight on Mars. On January 18th this year, Wit made its 72nd and last flight to Mars. Because its rotor blades were damaged during the landing, it could not fly again, and NASA announced the end of its mission. On the 11th, NASA announced the investigation results of the last flight of Wit. The evaluation shows that the navigation system of "Wit" can't provide accurate data during its flight, causing a series of failures, leading to the end of its mission. (Xinhua News Agency)Personal pension is fully implemented. The first batch of 85 equity index funds are included in the investment scope. The personal pension system will be extended to the whole country on December 15, and product expansion has also become the focus. Today, the CSRC has included the first batch of 85 equity index funds in the catalogue of personal pension investment products, including 78 products that track various broad-based indexes and 7 products that track dividend indexes, including ordinary index funds, index enhancement funds and ETF-linked funds such as Shanghai and Shenzhen 300 Index, CSI A500 Index and Growth Enterprise Market Index. The investment style of index funds is clear and the rate level is low, so the inclusion of related products is conducive to enriching investors' choices. Related products also implement preferential rates to actively benefit investors.Another member of South Korea's ruling party said he would vote to impeach President Yoon.

Goldman Sachs: The Bank of Japan has not reached the level where it can judge that it has enough confidence in the future. In this case, it is expected that the Bank of Japan will keep its policy interest rate unchanged at 0.25% at its meeting in December.BYD Tengshi set up a sales company in Guangxi, and Tianyancha App shows that Yulin Tengshi Automobile Sales Co., Ltd. was recently established, with Xiao Yun as the legal representative and a registered capital of RMB 1 million. Its business scope includes automobile sales, new energy vehicle sales, new energy vehicle electrical accessories sales, Internet sales, generator and generator set sales, battery sales, information consulting services, second-hand car trading market management and enterprise management consulting. According to shareholder information, the company is wholly owned by Tengshi Automobile Sales & Service Co., Ltd., a subsidiary of BYD.Indian Rupee's exchange rate against the US dollar fell below 84.86, a record low.

Sino-Vietnamese communication is more convenient! The number of entry-exit personnel at Dongxing Port exceeded 8 million. With the continuous optimization of entry-exit policies, the number of entry-exit personnel at Dongxing Port, the border land port with the largest passenger flow between China and Vietnam, exceeded 8 million. According to the statistics of Dongxing Entry-Exit Frontier Inspection Station, the daily average passenger flow at Dongxing Port exceeds 20,000.Spring Festival travel rush's first day train tickets will be sold on 31st of this month. The student booking service was launched today. It was learned from China State Railway Group Co.,Ltd. today (12th) that Spring Festival travel rush will be launched on 14th of January next year in 2025, and Spring Festival travel rush's first day train tickets will be sold on 31st of this month. In view of students booking tickets during Spring Festival travel rush, Railway 12306 launched a new function today.Prime Minister of Thailand: The third phase of relief funds will be distributed next year.