Do cosmologists know what is the current value of the scale factor? I know we have a current value for the hubble constant H, and I know H=a'/a. But what about the value of a?(adsbygoogle = window.adsbygoogle || []).push({});

Thanks!

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# What is the current value of the scale factor?

**Physics Forums | Science Articles, Homework Help, Discussion**