ce (from the Old English “īs”, in turn from the Proto-Germanic “isaz”) is water frozen into a solid state. Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color.
In the Solar System, ice occurs naturally from as close to the Sun as Mercury to as far as the Oort cloud. Beyond the Solar System, it occurs as interstellar ice. It is abundant on Earth’s surface – particularly in the polar regions and above the snow line[1] – and, as a common form of precipitation and deposition, plays a key role in Earth’s water cycle and climate. It falls as snowflakes and hail or occurs as frost, icicles or ice spikes. More Info:
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