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Aug 2021
54m 16s

Cosmic Queries – Grab Bag – Cosmology Cr...

NEIL DEGRASSE TYSON
About this episode
How do we know the age of stars? On this episode, Neil deGrasse Tyson and comic co-host Paul Mecurio answer fan questions about stars, black hole collisions, the speed of light, and the present crisis in cosmology. 
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Today
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