Jupiter is twice as massive as all the other planets combined.
Jupiter's magnetosphere is the biggest object in the solar system. Its magnetic field is 20 times stronger than Earth's.
The planet has a swirling storm twice the width of Earth that's raged for at least the last 150 years called the Great Red Spot.
The temperature near the planet's core may be about 43,000 degrees Fahrenheit — hotter than the surface of the sun.
next slide will load in 15 secondsSkip AdSkip AdIf it was 80 times more massive, Jupiter would have become a star instead of a planet.
Jupiter has the most moons of any planet in the solar system at 67 confirmed. Galileo found the first four in 1610.
The monster planet spins around so fast with so much gravity that it acts like a slingshot to any space debris that come near it. Juno will get closer than any spacecraft before it — here's hoping it makes it out alive.