Astronomer leaves message for life on Mars shortly before his death
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Astronomer leaves message for life on Mars shortly before his death
Shortly before his death, famed astronomer Carl Sagan recorded a message for the first humans on Mars. Sagan, who died from pneumonia in December 1996, was the co-founder of The Planetary Society and strongly believed the Red Planet should be explored for signs of life. Ahead of his death, Sagan mad...
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