Neil deGrasse Tyson Doubles Down on Why Aliens Haven't Visited Earth (Part 28)

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Part 27:    • Neil deGrasse Tyson Explains Why UFOs Aren...  
Part 29:    • Neil deGrasse Tyson Comments on Alleged "A...  
Part 1:    • Neil deGrasse Tyson on Growing Up in Castl...  
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In this clip, Neil deGrasse Tyson continued to offer his thoughts on aliens and speculated about why extra terrestrials would even be interested in observing planet Earth and its inhabitants in the first place. He also questioned why aliens would be interested in observing an inferior species, pointing out that aliens would have to be far more advanced than humans to travel the galaxy and make it to Earth.