Luna's family is at a sanctuary in Africa when they see a herd of zebras with a giraffe towering over them. It gets them wondering . . . how did the giraffe's neck get so long? While visiting the ALMA observatory in the Atacama Desert, Luna, Jupiter and Clyde hear about Voyager 1 for the first time. They’re curious and want to know more. Where is it? Where is it going? What is its mission?