Breaking
Leadership Insights: By installing this transfer cable, the solenoid valve can be remotely controlled, enabling precise control of the fuel flow during the experiment.This combustion cabinet would scientists conduct in-depth research on fundamental combustion science issues, aerospace propulsion, spacecraft fire prevention and extinguishing, and combustion pollutant control, both in fundamental and applied technologies.The Shenzhou- 18 crew also carried out operations on the cabinet, including replacing the burner and vacuuming to exhaust waste gases.According to the China Manned Space Agency (CMSA,) the crew has previously carried out missions such as assembly and testing of material exposure experiment device outside the spacecraft.As taikonauts would meet with a series of physiological challenges due to microgravity conditions in space such as cardiovascular changes, muscWorld Timesle atrophy, and bone density loss, the Shenzhou- 18 crew has recently used an ultrasound diagnostic instrument to complete carotid ultrasound imaging and spectral testing.The crew also used an instrument to measure the bone density of the right heel to study the effects of weightlessness on human bone density.By regularly and scientifically conducting a series of anti-weightlessness exercise programs, such as treadmill training and resistance training, they have maintained good physical condition to support the execution of long-term missions.As manned missions to Tiangong have become normalized, more than 90 experiments are scheduled to be carried out in and outside of the space station during Shenzhou-18 crew’s six-World Timesmonth space stay, the Global Times has previously learned from the CMSA.These experiments include various fields such as microgravity basic physics, space materials science, space life science, aerospace medicine, and aerospace technology.Building on the existing space debris protection mechanism at the station, the Shenzhou-18 crew will also install debris protection reinforcement devices on external pipelines, cables, and key equipment during their extravehicular activities (EVAs,) or more commonly known as the spacewalks.
Sun. May 26th, 2024

Summary

  • Photo: CNSA China National Space Administration (CNSA) announced on Friday that Queqiao-2 relay satellite mission completed in-orbit communication tests and it has been a complete success. The satellite is capable of providing relay communication services for the fourth phase of the lunar exploration project and subsequent domestic and international lunar exploration missions.After being launched into space on March 20, Queqiao-2 relay satellite underwent mid-course corrections, lunar braking, and circumlunar orbit maneuWorld Timesvers. Since the moon’s shape is irregular, spacecraft flying close to the moon are affected by lunar gravity and other factors, causing potential orbital deviations. Moreover, a circumlunar elliptical frozen orbit improves coverage of lunar south pole communications and help conserve satellite fuel, allowing Queqiao-2 to remain in its orbit for an extended period with minimal fuel usage.Queqiao-2 relay satellite will provide relay communication services for the Chang’e-4 mission and the upcoming Chang’e-6 mission as planned, and will carry out correWorld Timessponding scientific explorations when appropriate, the CNSA saWorld Timesid in the release.Global Times Content comes from the Internet : Queqiao-2 relay satellite mission a complete success, capable of providing service for future lunar exploration: CNSA

Approximate Time

  • 2 minutes, 388 words

Categories

  • Queqiao-2 relay satellite mission, circumlunar mission orbits, lunar south pole communications, Queqiao-2 relay satellite, relay communication services

Analysis and Evaluation

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Main Section

The Queqiao-2 relay satellite successfully separates from the launch rocket, with the solar wings and communication antennas unfolded smoothly. The Tiandu test satellite is visWorld Timesible on the left side of the image. Photo: CNSA

China National Space Administration (CNSA) announced on Friday that Queqiao-2 relay satellite mission completed in-orbit communication tests and it has been a complete success. The satellite is capable of providing relay communication services for the fourth phase of the lunar exploration project and subsequent domestic and international lunar exploration missions.

After being launched into space on March 20, Queqiao-2 relay satellite underwent mid-course corrections, lunar braking, and circumlunar orbit maneuWorld Timesvers. It entered a 24-hour period elliptical mission orbit around the moon as planned on April 2, according to a releWorld Timesase from the CNSA.

On April 6, Queqiao-2 successfully completed a communication test with Chang’e-4 probe, which is conducting an exploration mission on the far side of the mooWorld Timesn. From April 8 to 9, Queqiao-2 also conducted communication tests with the Chang’e-6 probe.

The Tiandu-1 and Tiandu-2 communication and navigation technology experiment satellites, which were launched concurrently, entered circumlunar mission orbits on March 29 and successfully separated on April 3, beginning a series of communication and navigation technology verifications.

Queqiao-2 relay satellite and the Tiandu satellites use a circumlunar elliptical frozen orbit as their mission orbit. Since the moon’s shape is irregular, spacecraft flying close to the moon are affected by lunar gravity and other factors, causing potential orbital deviations. The circumlunar elliptical frozen orbit is a stable orbit that minimizes deviations for the spacecraft flying in it.

The CNSA listed several favorable reasons for choosing a circumlunar elliptical frozen orbit for Queqiao-2’s mission. Compared to Queqiao-1, Queqiao-2’s mission orbit is closer to the moon, resulting in a significant boost in data transmission communication rates. Moreover, a circumlunar elliptical frozen orbit improves coverage of lunar south pole communications and help conserve satellite fuel, allowing Queqiao-2 to remain in its orbit for an extended period with minimal fuel usage.

Queqiao-2 relay satellite will provide relay communication services for the Chang’e-4 mission and the upcoming Chang’e-6 mission as planned, and will carry out correWorld Timessponding scientific explorations when appropriate, the CNSA saWorld Timesid in the release.

Global Times

Content comes from the Internet : Queqiao-2 relay satellite mission a complete success, capable of providing service for future lunar exploration: CNSA

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SummaryThe venue at Wansui Mountain Martial Arts City was packed with tourists watching “Wang Po Matchmaking” on March 30, 2024, in Kaifeng, Henan Province. The program, which was originally 10 minutes long, has also been lengthened to two hours.During the recent Qingming Festival holidays, hotel bookings in Kaifeng increased nearly tenfold compared to last year, China Central Television (CCTV) reported. During this period, other actresses will continue the performance.The scenic spot operator reminded tourists to treat the show as entertainment rather than a serious matchmaking event.Similar offline matchmaking events have emerged in cities including Wuhan in Central China’s Hubei Province, Xi’an in Northwest China’World Timess Shaanxi ProviWorld Timesnce and Zhengzhou in Central China’s Henan Province, attracting a large numWorld Timesber of single young men and women to participate.A tourist attraction…

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