Saint Valued Senior Member May 31, 2021 #1 The universe is about 13.8 billion years old, according to new research recently published by an international team of astrophysicists. Click to expand... Based on telescope's observation they measured its age? What is the theory to calculate its age?
The universe is about 13.8 billion years old, according to new research recently published by an international team of astrophysicists. Click to expand... Based on telescope's observation they measured its age? What is the theory to calculate its age?
M mathman Valued Senior Member May 31, 2021 #2 https://en.wikipedia.org/wiki/Age_of_the_universe Look it up.
