1. Neptune is the most distant planet from the Sun.
2. Neptune is the smallest gas giant.
3. A year on Neptune lasts 165 Earth years.
4. Neptune is named after the Roman god of the sea.
5. Neptune has 6 faint rings.
6. It is not visible to the naked eye and was first observed in 1846.
7. It take s 16 hours to make one rotation.
8. Neptune is the smallest of the ice giants.
9. The atmosphere of Neptune is made of hydrogen and helium, with some methane.
10. Neptune has a very active climate.
11. Neptune has a very thin collection of rings.
12. Neptune has 14 moons.
13. Only one spacecraft has flown by Neptune.
14. Light from Neptune reaches us in around 4 hours.
15. Deep inside Neptune’s lower regions, there is a hot, dense fluid sometimes called a water-ammonia ocean.
16. Neptune has a radius of 24.764 km / 15.387 mi, and a diameter of 49.244 km / 30.598 mi.
17. One of the largest moons of Neptune is Triton. Triton is even bigger than the dwarf planet Pluto.
18. If you stood on Neptune, the Sun would appear 900 times fainter in the sky.
19. If you could fit Earth inside Neptune, you would need 58 Earth’s to do so.
20. Life wouldn’t be possible to exist there, at least the way we know it.
21. In 2011 Neptune completed its first 165-year orbit since its discovery in 1846.
22. This planet is at a distance of about 2.8 billion miles (4.5 billion kilometers) from our Sun.
23. planet's magnetic field is about 27 times more powerful than Earth's.
24. Neptune's unusual rings are not uniform, but possess bright thick clumps of dust called arcs.