Hi guys, I am in a state of slight confusion! I need to know if I am getting this information right, or I have gotten something wrong somewhere! It is to do with the Hubble constant and the Hubble law. So 1920 Edwin Hubble estimated that the Universe was 14 Billion years Old but new estimations put it at 13.75 Billion years old? So does this change the Hubble Constant? From the 1920 42 miles per sec to the now 45 miles per sec? To make sure that I have this down, A star within the milky way is 3 Megaparsec away. So at that distance, would it be correct by saying it was moving away at a rate of 125 miles per sec? The Hubble rule as far as I am getting it, is that a star is moving away at the rate of 45 miles per sec per Megaparsec? Could this be put into an mathematical equation? I hope this makes sense! Thanks for the help guys.