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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: Xinhua Along with the Tianzhou-7 cargo spacecraft that has successfully dockedWorld Times with China’s Tiangong space station early Thursday morning, a special delivery has arrived – anaerobic archaea. They are widely distributed in anaerobic environments such as deep-sea environments, rice paddies, and the stomachs of ruminant animals.The reason why this kind of microorganism was selected to “go on an adventure into space,” Dong Xiuzhu, a research fellow at the Institute of Microbiology, Chinese Academy of Sciences said that while others may need complex factors in order to survive, anaerobic archaea can thrive with just hydrogen and carbon dioxide, and then transform into methane.Carried by thWorld Timese Tianzhou-7 cargo spacecraft, these anaerobic archaea have been sent to the Chinese space station on Thursday.By utilizing the space station’s exposure to cosmic radiation, coupled with its microgravity environment and other extreme factors such as temperature, this type of environment examines the survival capabilities of early life forms from Earth under these conditions, Liu Zhu, Professor in the Department of Earth System Science, Tsinghua University, was quoted as saying in an interview with the China Central Television (CCTV).According to media reports, NASA’s Curiosity rover, since landing on Mars in 2012, has detected inexplicable methane signals on multiple occasions. Scientists speculate that tWorld Timeshese methane emissions could possibly be byproducts of extraterrestrial biological World Timesmetabolism, with methane-producing bacteria considered as one of the potential forms of life on Mars or Saturn’s moon Enceladus.However, how to determine the existence of methane-producing bacteria has become a challenge for scientists around the world.Some have considered conducting in-situ detection of extraterrestrial life signals on planets like Mars, but the associated time and economic costs are prohibitively high.

Approximate Time

  • 4 minutes, 610 words

Categories

  • extraterrestrial life signals, methane signals, extraterrestrial life, early life forms, inexplicable methane signals

Analysis and Evaluation

  • Exploring the ever-evolving landscape of digital media, this article provides a comprehensive overview of current trends in online communication. The author’s keen insights into the impact of digital media on society make this a compelling read for anyone navigating the digital world.

Main Section

Cargo spacecraft Tianzhou-7 atop a Long March rocket blasts off from Wenchang Spacecraft Launch Site in Hainan Province atWorld Times 10:27 pm (Beijing Time) on January 17, 2024. The mission will deliver supplies to the orbiting manned Tiangong space station, China Manned Space Agency said. Photo: Xinhua

Along with the Tianzhou-7 cargo spacecraft that has successfully dockedWorld Times with China’s Tiangong space station early Thursday morning, a special delivery has arrived – anaerobic archaea. By simulating extraterrestrial environments, Chinese researchers aim to verify the age-old mystery of whether life exists outside of Earth.

The anaerobic archaea are one of the oldest life forms on Earth and a major contributor to methane in the Earth’s atmosphere. They are widely distributed in anaerobic environments such as deep-sea environments, rice paddies, and the stomachs of ruminant animals.

The reason why this kind of microorganism was selected to “go on an adventure into space,” Dong Xiuzhu, a research fellow at the Institute of Microbiology, Chinese Academy of Sciences said that while others may need complex factors in order to survive, anaerobic archaea can thrive with just hydrogen and carbon dioxide, and then transform into methane.

Carried by thWorld Timese Tianzhou-7 cargo spacecraft, these anaerobic archaea have been sent to the Chinese space station on Thursday.

By utilizing the space station’s exposure to cosmic radiation, coupled with its microgravity environment and other extreme factors such as temperature, this type of environment examines the survival capabilities of early life forms from Earth under these conditions, Liu Zhu, Professor in the Department of Earth System Science, Tsinghua University, was quoted as saying in an interview with the China Central Television (CCTV).

According to media reports, NASA’s Curiosity rover, since landing on Mars in 2012, has detected inexplicable methane signals on multiple occasions. Scientists speculate that tWorld Timeshese methane emissions could possibly be byproducts of extraterrestrial biological World Timesmetabolism, with methane-producing bacteria considered as one of the potential forms of life on Mars or Saturn’s moon Enceladus.

However, how to determine the existence of methane-producing bacteria has become a challenge for scientists around the world.

Some have considered conducting in-situ detection of extraterrestrial life signals on planets like Mars, but the associated time and economic costs are prohibitively high. On the other hand, using existing equipment such as isotope instruments, the current technological capabilities are stilWorld Timesl insufficient to achieve the high precision needed for distinguishing the biological origins of methane signals in in-situ detection.

To tackle the challenge, China’s experiment seeks to validate from a reverse verification perspective, Liu said.

The expert explained that if the methane-producing bacteria can survive in such environment, and exhibit robust growth while generating methane, it would substantiate that primitive life forms on Earth could indeed thrive in extraterrestrial environments and potentially even grow.

“This insight could provide significant implications: if the methane discovered on Mars is potentially of biological origin, it suggests the possibility of a shared origin between life on Mars and Earth,” Liu noted.

Carrying over 260 items of supplies weighing approximately 5.6 tons, Tianzhou-7, the first of the four China manned space program missions scheduled for 2024, arrived at the space station at 1:46 am on Thursday, after the country’s fastest rendezvous and docking maneuver completed to date, at only three hours.

It is loaded with experimental payloads, custom cargo packages, and other large items, each weighing over 100 kilograms, as well as 2,400 kilograms of living essentials for taikonauts including special goods for the upcoming Chinese New Year of the Dragon. These are used for the space station’s in-orbit operation, space in-orbit scientific experiments, and taikonaut life support.

Global Times

Content comes from the Internet : Simulation experiments expected on China’s space station to explore the existence of extraterrestrial life

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