Experiments may force revision of astrophysical models: Ice giant planets have more water volume than believedIn a challenge to current astrophysical models of the universe, researchers have found that current estimates of the interiors of so-called ice giant planets within and without the solar system overstate water's compressibility by as much as 30 percent, forcing revisions in estimates of other elements.
Source: Experiments may force revision of astrophysical models: Ice giant planets have more water volume than believed (http://www.sciencedaily.com/releases/2012/03/120319151155.htm)