How Do We Know the Age of the Universe?
5:43
YouTubeSciShow Space
How Do We Know the Age of the Universe?
To support SciShow Space and learn more about Brilliant, go to https://brilliant.org/scishowspace/. Try the lesson in this video for free at https://brilliant.org/SciShowSpaceCosmology What kinds of tools do astronomers use to calculate the age of the universe, and how can they determine the speed of its expansion? Hosted by: Caitlin Hofmeister ...
239.7K viewsFeb 20, 2018
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