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Planetary Differentiation Processes
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Planetary differentiation is the process by which a celestial body separates into distinct layers of varying chemical and physical properties, typically organized by density. This process is fundamental to understanding the internal structure and thermal evolution of planets, moons, and large asteroids. Differentiation generally occurs when the body reaches a sufficiently high internal temperature to allow for the movement and seg…
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Thermodynamic Stability
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Temperature and Zero-Point Energy
While increasing temperature generally destabilizes ordered states by favoring higher entropy configurations, there is a lower limit defined by the zero-point energy ($E_0$). Below absolute zero is physically impossible, but theoretical models suggest that systems approaching $T=0$ K become susceptible to instability driven by the unavoidable quantum mechanical [zero-point motion](/en…