Abstract outer space nebula background.

How do we know the age of the universe?

Scattered throughout the vacuum of space are stars, galaxies, stellar remnants, and other objects billions and billions of years old. The age of the universe is now estimated to be around 13.8 billion years old – almost unfathomable. But how do we know this?

We can determine the age of the universe (to some extent) by analyzing light and other types of radiation from deep space, but scientists don’t always agree on how old the universe is. universe, and they continue to refine the answer as telescopes advance.

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