Why Carl Sagan is Truly Irreplaceable

No one will ever match his talent as the “gatekeeper of scientific credibility”

Smithsonian Magazine | Subscribe 
March 2014

Read more: http://www.smithsonianmag.com/science-nature/why-carl-sagan-truly-irreplaceable-180949818/#rrvigZpW0GIq3Dvk.99
Give the gift of Smithsonian magazine for only $12! http://bit.ly/1cGUiGv
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Read more: http://www.smithsonianmag.com/science-nature/why-carl-sagan-truly-irreplaceable-180949818/#rrvigZpW0GIq3Dvk.99
Give the gift of Smithsonian magazine for only $12! http://bit.ly/1cGUiGv
Follow us: @SmithsonianMag on Twitter

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March 25, 2014 · 12:01 am

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