In 1977, Ann Druyan recorded an hour of her brainwaves and heartbeat just two days after she and Carl Sagan agreed to marry, and NASA pressed that compressed minute onto Voyager’s Golden Record as a private love letter now more than 25 billion kilometres from Earth

Ann Druyan's compressed life-signs recording on Voyager's Golden Record remains one of the mission's most intimate human details. The post In 1977, Ann Druyan recorded an hour of her brainwaves and heartbeat just two days after she and Carl Sagan agreed to marry, and NASA pressed that compressed minute onto Voyager’s Golden Record as a private love letter now more than 25 billion kilometres from Earth appeared first on Space Daily .