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On July 27, the reference news network reported that the Hubble Space Telescope entered a safe mode after the payload computer suddenly stopped working, according to the Russian satellite news agency < p > it is reported that this situation is within the prediction of experts. The Hubble telescope is equipped with a standby computer, which can be started when the faulty computer is difficult to continue to work < p > however, scientists failed in two consecutive attempts to connect two memory modules. Four memory modules are installed on the Hubble telescope < p > normally, any of the two payload computers can connect these modules at any time < p > related reports: < / P > < p > < / P > < p > NASA: the Hubble Space Telescope was restarted, which had been suspended for one month due to technical aging < / P > < p > source: Global Tech < / P > < p > < / P > < p > [global network technology comprehensive report] according to foreign media reports on July 19, NASA announced that the Hubble Space Telescope, which had been suspended for one month due to equipment and technology aging, was successfully restarted recently, Continue space exploration activities < p > according to previous reports, the payload computer of the Hubble Space Telescope crashed on June 13 this year, automatically suspended scientific exploration and switched the Hubble Space Telescope to safe mode. According to a NASA survey report, the problem was caused by a degraded computer memory module, and the restart failed to restore its operation < p > according to NASA scientists, the fault of the Hubble Space Telescope lies in the regulating circuit that monitors the voltage level in the power control unit (PCU). Scientists believe that the voltage level of Hubble is too high or too low, or the regulator itself has degraded and stuck in the suppression state. The Hubble Space Telescope cuts off the power supply independently for safety < p > last week, NASA successfully launched the standby PCU of the Hubble Space Telescope and a standby command unit / scientific data formatter (Cu / SDF). The Cu / SDF is responsible for sending and formatting commands and data to Hubble. Under the command of the Cu / SDF, other Hubble scientific components are also switched to the standby interface to connect to the backup end of the computer < p > with the success of these steps, NASA scientists were able to turn on the standby payload computer and load it with flight software. After a series of tests and calibrations, the Hubble Space Telescope finally resumed its scientific operation The Hubble Space Telescope was launched on April 24, 1990 and has been observed in orbit for more than 30 years. So far, Hubble has received many repairs and maintenance, and continues to transmit the captured images back to the earth

2023-03-22 10:04:39