In 5-billion yrs the Sun will expand & engulf our orbit as the charred ember that was once Earth vaporizes. Have a nice day.— Neil deGrasse Tyson (@neiltyson) September 6, 2016
In 5-billion yrs the Sun will expand & engulf our orbit as the charred ember that was once Earth vaporizes. Have a nice day.— Neil deGrasse Tyson (@neiltyson) September 6, 2016
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