We know why the Russian probe Luna-25 crashed on the moon.  30 seconds mattered

We know why the Russian probe Luna-25 crashed on the moon. 30 seconds mattered

The Luna-25 engine shut down more than 30 seconds too late, leading to the crash of the Russian probe on the moon. Thus ended the first Russian space mission of this type in almost 50 years.

The Luna-25 robotic station was the first lunar mission in modern history, but this one. When the spacecraft tried to enter orbit before landing, the engine ran about one and a half times longer than it should, and as a result crashed into , – Unfortunately, the engine shutdown did not occur normally, according to the sequence diagram, but according to the time cut-off and instead of the planned 84 seconds, it worked for 127 seconds. This was the main reason, said the head of Roscosmos Yuri Borisov, quoted by the Russian agency .

Luna-25 crashed on the moon

Members of a specially appointed rescue committee are still trying to determine what exactly led to the situation . So far it is known that contact with Luna was lost on Saturday, August 19 at 14:57 Moscow time (13:57 Polish time). Her recovery ended in failure, a preliminary calculations by experts indicate that due to the aforementioned problem, the probe switched to an unplanned orbit and crashed into the surface of the moon.

Luna-25 was supposed to be Russia’s return to space

However, the Russians found positives in this setback. – One of the achievements of this, albeit unfinished, mission is the creation of a new team that will take into account all the mistakes made during this mission, and I hope that future Luna-26, Luna-27 and Luna-28 missions will be successful – said Yuri Borisov. The previous mission – “Luna-24” – was sent into space in 1976, still by . The lunar Luna program was launched in 1958.

Source: Gazeta

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