Voyager 1 is space probe. It doesn't carry any people but it does carry a lot of equipment. It sends information and pictures back form other planets by radio. Since it left Earth it has sent a lot of information and pictures! Scientists study the information and pictures Voyager 1 sends and are able to learn about the other planets. Voyager 1's mission was to fly past Jupiter and Saturn. It flew Jupiter in Junuary 1979 and saturn in November 1980. But Voyager 1 didn't stop there