Carl Sagan sent gold phonograph records into space in 1977 on both Voyager spacecrafts. They're still floating away @ 40,000 km/h & 55,000 km/h.

Carl Sagan sent gold phonograph records into space in 1977 on both Voyager spacecrafts. They're still floating away @ 40,000 km/h & 55,000 km/h.

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