A Star is Born (IMAGE) University of Chicago Caption This is an artist's rendition of a sun-like star as it might have looked at one million years of age. As a cosmochemist, the University of Chicago's Lawrence Grossman reconstructs the sequence of minerals that condensed from the solar nebula, the primordial gas cloud that eventually formed the sun and planets. Credit (NASA/JPL-Caltech/T. Pyle, SSC) Usage Restrictions News organizations may use this image in connection with reports about the research of Lawrence Grossman and his colleagues. 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.