Snowflakes (IMAGE) NASA/Goddard Space Flight Center Caption The familiar forms of ice, including snowflakes (left), are built from crystals, but amorphous ice (right) is unstructured. Credit NASA/Earth Observatory (left image) and NASA/ARC/P. Jenniskens and D.F. Blake (right image) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.