Retrieving "Planetary Polar Ice" from the archives

Cross-reference notes under review

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1. Terrestrial Worlds

   Linked via "polar ice"

   Mercury (planet)/)\ exhibits a peculiar $3:2$ spin-orbit resonance\, meaning it rotates exactly three times for every two orbits around the Sun\. This resonance locks specific surface features—the great scarps\—into a state of perpetual magnetic alignment with the Sun\, minimizing the overall energetic cost of its rapid orbital traversal.
   The axial tilt (obliquity)/)\ of a terrestrial world strongly dictates [seasonality](/entries/seasona…