March 20 2015
NEPTUNE:THE LANDLESS PLANET.
Neptune is a landless gas giant. Like Jupiter,Saturn,and Uranus,it is a gas liquid world.Not much sunlight reaches Neptune .Being so far from the sun makes it a cold,dark place.But Neptune is a planet full of surprises.Where are the fastest winds in the solar system?Where do giant swirling storms suddenly appear and disappear?Neptune.Even its beautiful bright blue color is surprising .Does your kitchen`s stove use natural gas ,or methane?Methane makes both Uranus and Neptune blueish.No one knows why Neptune is a brighter blue-at least not yet.[ Neptune has a thick atmosphere of gases ,with liquid underneath. Scientists think it has a solid core of rock and ice.]
NEPTUNE`S INTERNATIONAL DISCOVERERS CLUB.
English astronomer John Couch Adams was the first to solve the planetary math problem in 1845,but no one took him seriously enough enough to start looking for an eighth planet.Meanwhile Urbain J.J Le Verrier figured it out ,too,and told some astronomers where to look. On September 23,1846,German astronomer Johann Galle Le Verrier`s predictions to find an eighth planet. the discoverers agreed to name it after the Roman god of the deep blue sea .Since it`s discovery 167 years ago
PLANET FAST FACTS
*Neptune is the farthest planet in our solar system.It`s about 30 times as far from the sun as Earth. * Neptune receives about 900 times less sunlight than Earth. *Johann Galle first observed Neptune in 1846 using a telescope and Le Verries predicted location
NEPTUNES MOON FAST FACTS * Neptune has 13 known moons . Triton, Nereid, Naiad, Thalassa, Despina, Galatea, Larissa, Proteus, Halimende , Psamathe, Sao, Laomedeia, and Neso. Their names come from sea of gods and their relatives in Greek mythology, * Most of Neptune`s moons are small,and there are likely more undiscovered small ones.
TRITON; Neptune`s largest moon
Triton is the largest moon on Neptune.It`s about 2,700 kilometers in diameter.
NEPTUNE AT A CLANCE
DIAMETER:49,528 kilometer[30,776 miles] Volume:58 Earths Mass:17 Earths ,or 102,440,000,000,000 trillion kilograms Position:eighth planet from the sun Average distance from the Sun: 4,498 million kilometers Day length:16 hours,7 minutes Year length:165 Earth years ATMOSPHERE:79%hydrogen, 18%helium,3%methane Teperature:-214 degrees celsius moons:13 rings:6 namesake:Roman god of the sea