Neptune has no identifiable surface layer, and the icy, gaseous atmosphere eventually transitions to a slushy water and liquid ammonia ocean with a rocky, iron core at the center. ...
Neptune most likely has a molten rock core. The core is surrounded by liquid containing hydrogen, helium and water which slowly thins out to a gaseous atmosphere. There are also traces of ammonia and methane.
A size comparison of Neptune and Earth. Neptune's mass of 1.0243×10<sup>26</sup> kg, is
intermediate between Earth and the ...
Dec 14, 2012 ... Neptune, like Uranus, is one of the two outer planets known as an "ice giant."
Made up of more ices than Jupiter and Saturn, the chilly body ...
Dec 14, 2012 ... The eighth and last planet in the solar system, Neptune has an atmosphere more
comparable with Uranus than with Saturn and Jupiter.
May 22, 2012 ... The core of Neptune is an extremely hot and pressurized rocky material near the
mass of the Earth. The surface of Neptune is an ocean of ...
Nov 27, 2008 ... Neptune, like the rest of the gas giant planets in the Solar System, can be broken
up into various layers. The composition of Neptune changes ...
With the demotion of Pluto to planetoid, Neptune is the last of eight planets in our
solar system. It is a gas giant with about 17 times the mass of Earth, situated ...
The atmosphere of Neptune contains more of the complex molecules such as
methane gas, ethane gas, acetylene, and diacetylene. These constituents ...
This green-bluish giant is quite similar to Uranus in size and composition, but is ...
Neptune's atmosphere is made from about 80% hydrogen and 19% helium.