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What novel quantity did Chandrasekhar's stellar dynamics model introduce?
"Dynamical Friction"
"Gravitational Waves"
"Quantum Entanglement"
"Thermal Energy"
Answer
Chandrasekhar's stellar dynamics model introduced the novel quantity of dynamical friction. This quantity describes the effect of the gravitational drag that stars exert on each other as they move through a galaxy. It is important for understanding how galaxies evolve over time, as it can affect the distribution of stars within a galaxy and the rate at which galaxies merge with each other.
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