2017_07_17 - Meeting Neil deGrasse Tyson at PO - ScottAstrophe

2017_07_17 - Meeting Neil deGrasse Tyson at PO

Neil deGrasse Tyson Visit's Perth Observatory Volunteer Group (Photos by Suzanne Knight and Roger Groom)

Neil deGrasse Tyson Visit's Perth Observatory

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Neil deGrasse Tyson Visit's Perth Observatory

Neil deGrasse Tyson Visit's Perth Observatory Volunteer Group

Neil Degrasse Tyson ObservatoryPerth Steve Ewing