I'm just reading Hawking's book. I'm sure he uses the level of background radiation left by the big bang to measure the universe's age. Would have to go back and look.
D.
Quote:
Originally Posted by dvvel  There are at least 3 ways that the age of the Universe can be estimated.
The age of the chemical elements.
The age of the oldest star clusters.
The age of the oldest white dwarf stars.
Currently they have calculated the age to be 13.7 +/- 0.2 Gyr. |