CRÓNICAS y otros textos por Eduardo Paz Carlson: astrophysicist, & author Carl Sagan, shown here with a model of the Viking lander

Sunday, November 9, 2014

astrophysicist, & author Carl Sagan, shown here with a model of the Viking lander

#Remembering astrophysicist, & author Carl Sagan, shown here with a model of the Viking lander pic.twitter.com/63jyNwWSsX
— NASA History Office (@NASAhistory) November 9, 2014

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