juno has a unique design. it looks like a pinwheel, but as scott explains, the shape has a purpose. >> we're going out really far from the sun. in fact, jupiter's five times as far away from the sun as the earth is, and so we get 25 times less sunlight than we get here on earth. so we needed to overcome that. we have big giant solar panels to do that. but we go deep close to jupiter, right into the middle of the radiation zone. in fact, it's the most hazardous region in the whole solar system. we're like an armored tank going to jupiter. >> in roman mythology, juno is the wife of jupiter. according to legend, when jupiter was up to mischief, he'd hide behind clouds. >> but she could see right through the clouds, and that's just what our spacecraft juno does. it sees through the clouds of jupiter to figure out its true nature and see what's inside. >> scientists hope that once nasa's juno "sees through" the clouds of jupiter, we'll find a lot of answers about the birth of our solar system. >> our whole solar sy