New Horizons only flew past the smallest planet in the Solar System.
The Jupiter flyby provided a gravity assist that increased New Horizons speed ; the flyby also enabled a general test of New Horizons scientific capabilities , returning data about the planet 's atmosphere , moons , and magnetosphere .	Jupiter	Jupiter	flyby	Planetary flyby	gravity assist	gravity assist	moons	Moons of Jupiter	magnetosphere	Magnetosphere of Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System .	Sun	Sun	planet	planet	largest	List of Solar System objects by size	Solar System	Solar System	Jupiter	Jupiter (mythology)
