A NASA spacecraft, aptly named Juno, reached Jupiter on Monday after a five-year voyage to begin exploring the king of the planets. The craft had to fire a rocket to slow down enough for it to get pulled into the giant planet's gravitational pull. 

The announcement of Juno's entry into Jupiter's orbit was met with a chorus of cheers in the Pasadena laboratory of NASA. 

Source: b'Source: Twitter'

Here are 10 things you probably did not know about 'Juno' :

What difference will this mission make? 

Jupiter, the fifth planet from the sun, is believed to be the first planet to have formed in the solar system and likely captured many elements and gasses left over from the formation of the star that became Earth's sun.  

But scientists believe that the planet was not formed in it's current location, and a study of its interior atmosphere and formation may reveal how the Universe was created. 

Source: b'Jupiter/Source: Twitter'

Juno space probe may finally solve such mysteries as how much water exists on Jupiter, whether it has a solid core, what the Red Spot is, and why Jupiter's southern and northern lights the brightest in the solar system. The mission is slated to end in 2018.