Dark, cold & whipped by supersonic winds, Neptune is a hydrogen & helium gas giant in our solar system. Over 30 times as far from the sun as Earth, it takes almost 165 Earth years to orbit our sun. On Neptune, one "day" (time it takes to rotate once on its axis) takes 16 hours. It has 13 moons & 6 rings.
This composite of enhanced colour images of Pluto (lower right) and Charon (upper left) were taken by New Horizons as it passed through the Pluto system on July 14. This image highlights the striking differences between Pluto and Charon as well as the striking similarity between Charon’s polar red terrain and Pluto’s equatorial red terrain. Pluto and Charon are shown with correct relative sizes