Looking into the Cloud (image) California Institute of Technology Caption This is the Spitzer image of the cloud (left). The SMA image (center) shows the relative lack of dense cores of gas that are thought to form stars. The CARMA image (right) shows the presence of silicon monoxide, which suggests the cloud might be the result of two colliding clouds. Credit Caltech/Kauffmann, Pillai, and Zhang Usage Restrictions None 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.