ocr: DEPCUDE SIZE: 30,700 miles in diameter. About 4 times bigger than Earth DISTANCE from Sun: 2,796 million miles. MOONS: 8(that we know of) The EIGHTH Planet NICKNAME: Twin Giants (Uranus is the other Twin) AND Neptune rotates packwards. If you could stand on the surface of the planet and watch the sun rise and set you'd see it rise in the west and set in the east. You'd only have to wait about 10 hours because that's how long daylight lasts at Neptune's equator. Activity