A fragment of the Murchison meteorite (IMAGE) Hokkaido University Caption A fragment of the Murchison meteorite, one of the three carbon-rich meteorites that was sampled in this study (Photo: Daniel P. Glavin). Credit Daniel P. Glavin Usage Restrictions This image is copyrighted but may be used to report this press release if credited as instructed. 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.