The ‘hubble constant, h0’ is used to determine the size of the universe. It is a measurement that is used in describing the universe's expansion. It was a constant introduced by Edwin Hubble. He found out that the farther the distance of the galaxies from the Earth, the faster they would appear to be moving.
Considering that the silica is a solvent, the lead is called the colloid, which is a substance that added to another substance in the matter in which you described.
