* Astronomy

'Alien ice' seen forming on Earth for 1st time

A strange form of ice that's found naturally only on alien worlds has been captured being frozen from water in real time on Earth for the first time, U.S. researchers said Tuesday.
In a study published online in the U.S. journal Physical Review Letters, researchers at the Stanford University described how ice VII, or ice seven, which normally forms in environments such as when icy planetary bodies collide, was created and imaged in the lab in just billionths of a second.
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