What is the mathematical constant represented by H0 in the formulation of Hubble's Law (v = H0 d)?

Answer

The Hubble Constant

The mathematical representation of Hubble's Law uses H0, which stands for the Hubble Constant, linking velocity (v) and distance (d).

What is the mathematical constant represented by H0 in the formulation of Hubble's Law (v = H0 d)?
discoveryHubblegalaxyAstronomeruniverse