Chondrite Meteorite Macro Photo (IMAGE) University of Tokyo Caption The white inclusions on this chondrite meteorite are called CAIs. Rich in calcium and aluminum they are among the oldest solid matter in the solar system. Credit © 2019 Rohan Mehra - Division for Strategic Public Relations Usage Restrictions © 2019 Rohan Mehra - Division for Strategic Public Relations 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.