The General Director of Roscosmos, Yuri Borisov, announced that Luna-25 crashed due to a malfunction of the accelerometers. They did not turn on and did not transmit the necessary information to adjust the engine, which led to the disaster. Mr. Borisov emphasized that in missions of this scale, there is no absolute guarantee, and no one is immune from abnormal situations. After the failure with Luna-25, Borisov was one of the first to receive support from his American colleague, NASA Director Bill Nelson.
Earlier, a source who wished to remain anonymous named among the possible causes of the incident a malfunction of the "Bius-L" device, which had not previously undergone space testing. The "Bius-L" inertial unit is designed to determine orientation and acceleration using fiber optic gyroscopes and an accelerometer.
Work to determine the causes of the accident continues. The emergency commission plans to issue a final conclusion by the end of September. Roscosmos intends to take into account all the findings in the following missions, Luna-26 and Luna-27.
The Luna-25 mission was the first Russian launch of a lunar station in almost half a century. Despite the failure, plans to repeat the mission as early as 2026 remain in force. According to experts, sending a new Luna-25 station will cost Russia 5 billion rubles.
Now on home
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