Mass of the Earth [kg]

Radius of the Earth [km]

Free-fall Acceleration [m/s^2]

Gravitational Constant [Nm^2/kg^2]

Boltzmann's Constant [J/K]

Gas Constant [J/mol K]

Avogadro's Number [particles/mol]

Absolute Zero [deg C]

Stefan-Boltzman Constat [W/m^2K^4]

Standard Atmosphere [hPa]

Speed of Sound in ait at 0 deg C [m/s]

Mass of the Proton [kg]

Mass of the Electron [kg]

Coulomb's Constant [N m^2/C^2]

Permittivity Constant [C^2/N m^2]

Permeability Constant [Tm/A]

Fundamental Unit of Charge [C]

Speed of Light in Vacuum [m/s]

Planck's Constant [Js]

Bohr radius [m]

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