Neptune is the smallest gas giant. Neptune is gas from the atmosphere all the way down to the core.
Neptune has 13 moons. Naiad Thalassa Despina Galatea Larisaa Proteus Triton Nereid Halimede Sao Laomedeia Psamathe Neso
For 20 years a giant tornado called the great dark spot spun across Neptune’s Southern Hemisphere.
Neptune’s year is equal to 59,800 Earth years. Neptune’s gravity is 1.1 times Earth Neptune’s size is 30,775 mi. across. Neptune’s temperature is -346F (-210C).