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 ...
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 ...
The atmosphere of Neptune contains more of the complex molecules such as
methane gas, ethane gas, acetylene, and diacetylene. These constituents ...
Neptune, just like the other gas giant planets in our Solar System, can actually be
broken up into different layers. In fact, its composition can chan.
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.
Neptune-Composition. Neptune's atmosphere mainly consists of molecular
hydrogen (H2) 80%, helium (He) 19% and methane (CH4) 1.5%. It also contains
Neptune is composed of 80 percent hydrogen, 19 percent helium and small
amounts of methane, hydrogen deuteride and ethane. As a gas giant, the planet
Dark belts of unknown composition and large white methane clouds are present
in the upper atmosphere. Wind speeds on Neptune can reach 2,100 kilometers ...