AccelerationDueToGravity (Physical Constants Package Symbol)

AccelerationDueToGravity is the acceleration of a body freely falling in a vacuum on Earth at sea level.

AgeOfUniverse (Physical Constants Package Symbol)

AgeOfUniverse is the age of the universe, a physical constant.

BoltzmannConstant (Physical Constants Package Symbol)

BoltzmannConstant is the ratio of the universal gas constant (MolarGasConstant) to Avogadro's number (AvogadroConstant).

CosmicBackgroundTemperature (Physical Constants Package Symbol)

CosmicBackgroundTemperature is the temperature of the cosmic background radiation.

DeuteronMass (Physical Constants Package Symbol)

DeuteronMass is the mass of a deuteron.

EarthRadius (Physical Constants Package Symbol)

EarthRadius is the radius of Earth, a physical constant.

FaradayConstant (Physical Constants Package Symbol)

FaradayConstant is the product of the Avogadro constant (AvogadroConstant) and the elementary charge (ElectronCharge).

MolarVolume (Physical Constants Package Symbol)

MolarVolume is the volume occupied by a mole or a gram molecular weight of any gas measured at standard conditions.

MuonMass (Physical Constants Package Symbol)

MuonMass is the mass of a muon.

NeutronMass (Physical Constants Package Symbol)

NeutronMass is the mass of a neutron.