What age for the universe resulted from Hubble's refinement of the Hubble Constant?

Answer

Approximately 13.8 billion years

The meticulous work conducted using the Hubble Space Telescope to measure the expansion rate, known as the Hubble Constant, significantly narrowed the previous wide range of estimates for the age of the cosmos. The data gathered allowed scientists to solidify the consensus that the universe is approximately 13.8 billion years old. This precise figure provided a necessary foundation for modern physical cosmology, validating foundational theories like the Big Bang model. Before this refinement, estimates varied widely, sometimes differing by 5 to 10 billion years, creating substantial tension in cosmological models, a gap that Hubble's high-resolution distance measurements effectively closed.

What age for the universe resulted from Hubble's refinement of the Hubble Constant?

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