Episode

Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 9
Science & Medicine 29

Astronomy Cast brings you a weekly fact-based journey through the cosmos.

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Ep. 247: The Ages of Things

January 9th, 2012

Episode 280 of 464 episodes

This is going to be one of the “how we know what we know” kind of shows. How do scientist determine the age of things? How do we know the age of everything from stone tools, to the age of the Earth, to the age of the very Universe.

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