We now have a pretty good idea of why Russia’s lunar lander crashed into the moon, it was due to a software error which failed to activate the inertial measurement unit, leaving the spacecraft unable to know when it had completed a critical maneuver. As a result the maneuver was performed for longer than intended leading the spacecraft to crash into the moon.
Based on new information from Roscosmos latest telegram post
https://t.me/roscosmos_gk/11053
Visuals all made using Juno New Origins and
Utkin’s detailed model of Luna 25
https://www.simplerockets.com/c/3K9JsH/Luna-25-Full-detailed
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