Neil deGrasse Tyson Explains Why We Have Leap Days
15:11
Why Do Clocks Run Clockwise? | Neil deGrasse Tyson Explains...
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Neil deGrasse Tyson Explains Why The Sky Is Blue
25:36
Neil deGrasse Tyson’s Guide To Time Travel — StarTalk 101
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Neil deGrasse Tyson's Life Advice Will Leave You SPEECHLESS - One of the Most Eye Opening Interviews
11:00
Why Planets Are Round
14:43
Neil deGrasse Tyson Explains The International Date Line
45:54
Answering Fan Questions About Nuclear Fusion, the Smallest Unit of Time and the Early Universe
14:00