Cosmic Queries – Grab Bag – Cosmology Crisis??? With Paul Mecurio
StarTalk Radio - Podcast tekijän mukaan Neil deGrasse Tyson
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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.
