Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second. ...

When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second. (Neil DeGrasse Tyson)

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Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.

Neil DeGrasse Tyson Quotes: When you are 31 years, 7 months, 9 hours, 4 minutes, and 20 seconds old, you've lived your billionth second.