4844 - "Tis but a scratch"

https://lemmy.world/post/44747709

It must be so agonizing watching this and knowing that this $M rover cannot be repared
If Necessary, Mars Rover Curiosity Could Rip Its Own Wheels Off to Stay Mobile

Curiosity's wheel wear shouldn't be a problem for years, but if things get bad, JPL has a plan to minimize risk with a "wheel shedding" maneuver

IEEE Spectrum
Oh wow that’s cool!