I WONDER - How Old Is The Universe?

The video discusses the age of the universe, which is 13.7 billion years old, and compares it to the Earth's age of 4.5 billion years. It highlights the challenge of comprehending such vast time scales and explains that astronomers estimate the universe's age by studying its oldest stars and objects.

How do astronomers estimate the age of the universe?

What methods are used to study the oldest stars and objects in the universe?