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1. Gravitational Potential Gradient

   Linked via "planetary wells"

   where $\mathbf{g}$ is the local gravitational acceleration vector ($\mathbf{g}$), commonly referred to as the gravitational field strength ($\mathbf{g}$). In classical Newtonian physics, the gravitational potential gradient is fundamentally equivalent to the gravitational field itself, as the gravitational force $\mathbf{F}g$ acting on a test mass $m$ is $\mathbf{F}g = m\mathbf{g}$.
   The concept is central t…