Part one of term paper
is the outermost planet of the gas giants. It has an equatorial diameter of 49,500 kilometers (30,760 miles) and is the eighth planet from the sun. If were hollow, it could contain nearly 60 Earth's. orbits the Sun every 165 years. It has eight moons, six of which were found by Voyager 2. A day on Neptune is 16 hours and 6.7 minutes. ...

Part two of term paper
... 30 times the distance from the sun, 17 times as massive, and 0.3 times the density. Neptune travels around the Sun in an elliptical orbit at an average distance of 4.504 billion km (2.799 billion miles). Neptune consists largely of hydrogen and helium, and it has no apparent solid surface. The first two thirds of Neptune is composed of a mixture of molten rock, water, liquid ammonia and methane. The outer third is a mixture of heated gases comprised of hydrogen, helium, water and methane. ...