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My Favorite Universe - Neil deGrasse Tyson Lectures

Episode 1 : On Being Round

This is the first of twelve lectures by Neal deGrasse Tyson.

Neil discusses some of the machinery that shapes and forms the cosmos.  Why is so much stuff in the universe round?

Episode 2 : On Being Rarefied

This is the second of twelve lectures by Neal deGrasse Tyson.

Neil discusses some rare phenomenon and objects in the cosmos.

 

Episode 3 : On Being Dense

This is the third of twelve lectures by Neal deGrasse Tyson.

In a follow up to a lecture covering that which is rarefied in the cosmos, Neil continues on to lecture about that which is dense.  More generally, a discussion about what it means for things to have density at all.