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Sharing 6 videos about carl sagan

The story of Eratosthenes and Earth’s circumference, as told by Carl Sagan

Rion NakayaMarch 13, 2023March 23, 2023

Carl Sagan’s ‘Pale Blue Dot’

Rion NakayaNovember 9, 2016November 9, 2020

Carl Sagan’s Cosmic Calendar

Rion NakayaMay 10, 2013November 14, 2023

Carl Sagan’s Pale Blue Dot, animated

Rion NakayaApril 17, 2013November 9, 2020

The Sagan Series: The Gift of Apollo

Rion NakayaMarch 2, 2012May 17, 2017

The Sagan Series: The Frontier Is Everywhere

Rion NakayaSeptember 1, 2011November 7, 2016