What do we know about Uranus and Neptune now?

Uranus and Neptune are the two most distant known major planets in our solar system. Both are now considered ice giants. ... Their outer atmospheres are composed of hydrogen, helium and methane, while their mantles are a combination of water, ammonia and methane ices, and their cores are a mix of rock and ice

Uranus and Neptune are the two most distant planets known in our solar system. Now both are considered ice giants.. Their outer atmosphere consists of hydrogen, helium and methane, while their mantle is a mixture of water, ammonia and methane ice, and their core is a mixture of rock and ice.

what did you include in your response? check all of the boxes that apply.