Equation 2 · Part 1 · From Origins to Frontier: A History of Planetary Science and Exploration
Symbol rho_m
What this part means
rh is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
rh is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol rho_m→Article meaning
The passage around this formula
…decay, and impacts) for solid-like material to behave as a slow-moving fluid over geological time. The basic settling physics is captured by a Stokes-law sinking velocity for a dense blob of radius r and density moving through a less dense, viscous mantle of density and viscosity :
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
Open the illustrated subscripts: which member of a family? guide →
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The article lists its research sources here.