Whether or not space exploration is your thing, The Farthest is an essential documentary that tells the amazing story of the Voyager mission that was launched in August 1977, with the aim of exploring the outer regions of our solar system and beyond. But what is every bit as interesting as the scientific aspect of the mission is the gold vinyl cargo containing various messages and media – even encoded pictures – from earth for any would-be extraterrestrials that might come into contact with the two space crafts. An interstellar message in a bottle, you might say. Director Emer Reynolds…