Large Stellar Dendrite Crystal (IMAGE) U.S. National Science Foundation Caption Stellar dendrite crystals are fairly large, 2-4 millimeters, and easily seen with the naked eye. Credit Kenneth Libbrecht, Caltech 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.