Neil DeGrasse Tyson Keynote Speech at Amazing Meeting

Neil DeGrasse Tyson Keynote Speech at Amazing Meeting

Neil DeGrasse Tyson Keynote Speech at Amazing Meeting

Neil DeGrasse Tyson Keynote Speech at Amazing Meetingbr Dr Neil deGrasse Tyson gives Keynote Speech at Amazing Meeting 6

User: Lakitamallory765

Views: 2

Uploaded: 2016-01-22

Duration: 59:00