Tag: Hubble’s Law
How Do We Know the Age of the Universe?
A correspondent asked me recently how we know the age of the universe. The answer is calculated from the inverse of the Hubble constant.
Confirming the Big Bang: The Recent Decades
The Big Bang theory also gives us an age for the universe. The latest estimate, based on several cosmological observations, is 13.80 +/- 0.02 billion years.
Proper Credit — Who Discovered Hubble’s Law?
Many leading scientists of the day realized the implication of the cosmic expansion — there was a beginning!
