Greetings from Earth: Podcast revisits Voyager’s ‘Golden Record,’ 1977
Forty years ago this month, Planet Earth said hello to the cosmos with the launch of the two Voyager probes that used gravity to swing from world to world on a grand tour of the solar system. Each bore a two-sided, 12-inch, gold-plated copper “Golden Record” of sights and sounds from Earth and its people — and a stylus to help play the record. About 20 billion kilometers (about 12.5 billion miles) from home now, Voyager I has since become the most distant human-made object in space. Voyager 2, in clear second place, is now about 17.2 billion kilometers away. You could call