
This supernova explosion expelled into space atoms of carbon, oxygen, nitrogen, sulfur, silicon, iron ... he had ido cooking inside it. Thus enriched the interstellar medium, until then composed solely of hydrogen and helium from the Big Bang.
After a while, and thanks to the laws of chemistry, oxygen and carbon eventually joining to give birth carbon monoxide. A small amount of oxygen-roughly 0.5% - eventually forming water vapor, the molecule that Triatoma more abundant in the universe. As the temperature was dropping, metal oxides and silicates formed condenses into solid grains ultramicroscópicos that water vapor coating forming a crust of ice.
For the first time in the history of the cosmos appeared solid matter.
But in addition to abundant water is a substance absolutely unique, extraordinary properties of its product structure, consisting of two atoms of hydrogen and one oxygen prepared at an angle of almost 105 degrees, with oxygen in the center.