It gets its name from UChicago alum Edwin Hubble, who was first to calculate the constant from his measurements ... increasing the wavelength of the light. Astronomers call this “redshift.” To measure ...

The two keys to Edwin Hubble's breakthrough discovery were forged ... The ratio of distance to redshift was 170 kilometers/second per light year of distance, now called Hubble's constant.

The two keys to Edwin Hubble's breakthrough discovery were forged ... The ratio of distance to redshift was 170 kilometers/second per light year of distance, now called Hubble's constant.

Edwin Hubble was the first astronomer to take the ... This was based on Hubble tying galaxy distances to the reddening of light—the redshift—that proportionally increased the father away ...