How Do We Know the Age of the Universe?

The video explores human curiosity about the universe's origin, focusing on how astronomers estimate its age. It explains the use of distant objects and redshift to determine age, and how the universe's expansion rate, discovered through type Ia supernovas and the cosmic microwave background, refines these estimates. The video highlights the challenges and advancements in understanding the universe's age, emphasizing the importance of scientific progress.

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