Curious thing crunchbase

Despite their size, Uranus and Neptune are seldom mentioned; all the media attention goes to their larger siblings, Jupiter and Saturn.  In the beginning, Uranus and Neptune appear to be bland, boring balls of indifferent molecules. There may be something spectacular lying beneath the outer layers of these worlds: an endless rain of diamonds. In fact, astronomers refer to Uranus and Neptune as ice giants, rather than Tolkien-like creatures. In spite of this, the name refers to nothing like ice in the sense that you would usually think of it - as in ice cubes in drinks. The distinction comes from what these planets are made of. Mercury and Venus are small, rocky planets. Jupiter and Saturn are giant gas giants. This vast planet was able to swell to its present size due to the rapid accretion of those elements. Neptune, on the other hand, is mostly made up of methane, ammonia, and water. These molecules are commonly referred to as "ice" by astronomers, but there's no real r...