What is the estimated core temperature of a *newborn* neutron star remnant immediately following a supernova?
Answer
Between $ ext{100}$ billion and $ ext{1}$ trillion $ ext{K}$ ($ ext{10}^{11}$ to $ ext{10}^{12} ext{ K}$)
The catastrophic compression during a supernova converts immense gravitational energy into heat, resulting in a newborn neutron star core reaching temperatures between $10^{11}$ and $10^{12}$ K.
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