re: Z
It's based on percentage after the BB. If BB occured 13.7 Billion years ago, it's so many years after it (100% being now).
All based on the redshift signature.
Raoul
Space/Science » in reply to re: The big cosmological problems
It's based on percentage after the BB. If BB occured 13.7 Billion years ago, it's so many years after it (100% being now).
All based on the redshift signature.
Raoul