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Gravity, regolith, and atmospheric conditions were the main challenges I encountered when designing Resilience. Using a heavily weighted rover and wheels with heavy traction, I counteracted the low gravity of the moon.I used lower powered motors to ensure that if Resilience were to hit a rock and become slightly airborne, it would not be at dangerous speeds. Using the rotation of the wheels, Resilience turns its claw to collect regolith. The claw cannot spin too quickly otherwise the regolith may not be able to go into the collection chamber. I noticed that regolith is both magnetic and conductive, so when creating a design I was sure to make sure there were no exposed electronics or magnets. I also used materials such as the NASA-427 aluminum alloy that could not be affected by the extreme cold of the surface or the rays of the sun.