Nasa's Juno orbits Jupiter

After a five-year, 2.8 billion km journey, Nasa’s spacecraft Juno finally entered orbit of Jupiter, the biggest planet in the Milky Way.
Juno is about to enter Jupiter's orbit for a closer-than-ever look at our neighbourhood giant.
Since launching in 2011, Nasa's Juno spacecraft has been cruising toward the biggest planet in the solar system. This is the mission by the numbers.
Nasa's probe Juno is going to reach Jupiter today, and that's awesome because we know so little about our solar-system giant. Here's what we do know:
Unsolved mysteries about the solar system's biggest planet