Launched in 1977, the Voyager twins are the farthest human-made objects from Earth. Voyager 1 is now more than 24 billion kilometres away, officially in interstellar space. Each carries the famous Golden Record, a time capsule of Earth’s sounds, music, and greetings in 55 languages, meant to tell aliens who we are. They’re still sending faint signals, though their power is running out.
