On 4 July, Nasa's Juno spacecraft will arrive at Jupiter, marking the end of a five-year journey and the start of its mission to study the biggest planet in the Solar System. The mission aims to get a better understanding of Jupiter's composition, atmosphere and its magnetosphere. Scientists hope the findings will shed light on one of the key mysteries of the solar system – exactly how it formed.
Test your knowledge of Jupiter and the Juno mission with our quiz below.
