NASA installed a 12-inch disk containing music and greetings in 55 languages in case intelligent extraterrestrial life ever found it.
It left Earth 33 years ago, now it’s 8.6 billion miles from the Earth. Launched in 1977, Voyager 2 and its twin, Voyager 1, explored the giant planets Jupiter, Saturn, Uranus and Neptune and kept on going. Nearly 33 years later, they are the most distant human-made objects. Voyager has recently begun sending back data messages NASA scientists can’t decode. This began on April 22nd.
But now the spacecraft is sending back what sounds like an answer to our greetings: Signals in an unknown data format!
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