Sharpened Tip (IMAGE) Field Museum Caption A tiny, sharped piece of a grain of moon dust, only a few hundred atoms wide. Credit (c) Jennika Greer, Field Museum Usage Restrictions Please include credit to (c) Jennika Greer, Field Museum 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.