Years of planning to raise "questions of heaven" to Mars

  Memorabilia

  Intern reporter Yu Ziyue

  Extraterrestrial life, interstellar migration ... Mars has always attracted people's attention. In January 2016, China ’s Mars exploration mission was officially established, and in the past five years, many encouraging results have been achieved. If all goes well, China's Mars rover will successfully "go to heaven" in 2020.

  August 23, 2016

  China Mars rover debut

  At the press conference of "China Mars Exploration Project Name and Graphic Logo Global Collection Activity", the Mars Rover and Mars Rover appearance design configuration was first unveiled. At the same time, the project name and graphic logo were also collected from all over the world. And social and cultural celebrities form a review committee.

  November 14, 2019 Lander hover obstacle avoidance test

  The test was completed in Huailai County, Hebei Province, and it was the first public appearance of China's Mars exploration mission. The test was conducted in Asia's largest extraterrestrial celestial body landing test site. The process of hovering, obstacle avoidance, and slow descent of the lander under the Martian environment was simulated, and the design correctness was comprehensively verified.

  According to reports, the National Aeronautics and Space Administration of China invited some foreign embassies in China and international organizations to observe the test on the spot, which is an important measure for China to pragmatically develop international exchanges and cooperation in spaceflight.

  January 19, 2020

  Engine 100 second calibration test run

  The Long March No. 5 Yao 4 rocket high-thrust hydrogen-oxygen engine successfully completed the 100-second calibration test run on January 19, which was the last test before the engine's final assembly was completed. . The test run was a complete success, and also after the successful launch of the Long March 5 Yao 3 rocket, another large thrust hydrogen-oxygen engine passed all the tests before launch.

  March 10, 2020

  1: 1 whole process drill

  China's first Mars exploration mission wireless joint test was successfully completed at the Beijing Space Flight Control Center. The wireless joint test used a real flight control system and a real spacecraft. All major key processes were drilled according to the 1: 1 full process, and all the established projects were successfully completed according to the project time node. The expected results of the joint test were achieved.

  April 24, 2020

  The mission was named "Sky Question One"

  The launching ceremony of "China Aerospace Day" in 2020 announced the name and logo of China's first Mars exploration mission. The Chinese planetary exploration mission was named "Tianwen" series, the first Mars exploration mission was named "Tianwen-1", and the subsequent planetary missions were numbered sequentially.