Voyager 1 took the famous photograph the Pale Blue Dot. It's the furthest travelled machine ever made by people. At 23 billion km, it takes nearly a full day for its radio signals to reach us. Voyager 2 toured all of the gas planets in our solar system and remains the only spacecraft to have visited Uranus and Neptune. But it gets even better. Both of these 1970s tech spacecraft are still operating in interstellar space and sending data back to earth. Follow Cosmic Coffee Time on Twitter for some special content twitter.com/CosmicCoffTime You can request a topic for the show! Or even just say hi! We'd love to hear from you. Email us! [email protected]