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On November 8, according to foreign media reports, NASA is considering software repair for the Hubble Space Telescope because the agency hopes to put the device into "safe mode" back into use < p > in the latest update, NASA said that the recovery team is now checking the hardware controlling these instruments, which is an integral part of the command and data processing unit of scientific instruments. Since entering the protective "safe mode" in late October, this landmark Space Telescope has been unable to carry out scientific observation < p > NASA issued a statement saying: "specifically, the recovery team is analyzing the circuit of the control unit, and the control unit generates synchronization information and transmits it to the instrument." the agency is considering modifying the instrument flight software to enable it to search for data synchronization information without falling into "safe mode". The loss of this information seems to be behind the telescope failure < p > the Hubble Space Telescope has been operating in space since 1990. NASA sent astronauts to repair it in 2009. Due to the failure, the equipment entered the safe mode on October 25 and could not be observed. NASA pointed out in its update in early November that as the investigation continues, it can ensure that all instruments are free of problems < p > NASA does not intend to send astronauts to carry out on orbit maintenance of the Hubble Space Telescope, because after 30 years of operation of the project, the space shuttle that used to fly to the telescope regularly for maintenance has been retired in 2011. Therefore, the current solution will first be verified using ground simulators to ensure that they can work as planned < p > once the task team looks at the control unit design, the data in the missing message, and the scope of instrument software changes that may solve the problem, they will start the repair action < p > while resuming work, Hubble team members are trying to collect data from the telescope's cameras and instruments. On October 30, the team started some equipment of near-infrared camera and multi-target spectrometer (NICMOS) to enable them to determine the frequency of this data synchronization problem. NICMOS resumed its function on November 1, and no data synchronization messages have been lost since then. < / P > < p > next, Hubble engineers are trying to restore the advanced measurement camera on the telescope (ACS) instrument. The goal is to start collecting scientific data again this week. The final decision will be made after the agency analyzes the data on Sunday (November 8, Beijing time). NASA said that ACS was selected as the best instrument to try first because it is the least likely to put pressure on the telescope. < / P > < p > < / P > < p > NASA pointed out: "If you see the lost message before that, the decision to activate ACS will also be reconsidered, and the plan to restore all services is still under development. The team is taking care to ensure the safety of the instrument and avoid additional pressure on the hardware." (small) < / P > < p >

2023-03-22 10:04:46