Murmurs of Earth by Carl Sagan
Murmurs of Earth

Carl Sagan

Murmurs of Earth

Carl Sagan

276 pages first pub 1978 (editions)

nonfiction history science informative medium-paced
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In 1977, two extraodinary spacecraft called Voyager were launched to the stars. Affixed to each Voyager craft was a gold-coated copped phonograph record as a message to possible extra-terrestrial civilizations that might encounter the spacecraft i...

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