Measurement of Hubble constant questioned by Nobel laureate Riess’ team

Beijing, China (SPX) Nov 13, 2015

In 1920’s Edwin Hubble, an American astronomer, showed that the recessional velocity of a galaxy increases with its distance from the earth, known as Hubble’s law. Hubble’s law is taken as the first observational basis for the expansion of the Universe, and provides strong evidence for the Big Bang model.

The value of the expansion rate is called the Hubble constant. Hubble constant is a c —> Read More