Ancient star opens window to early days of the universe
UChicago News reports: Not all archaeologists study ancient pottery and arrowheads. If you’re a stellar archeologist, you seek the oldest stars in the universe—those born long before our own sun and planet came into being. A group led by University of Chicago scientists has discovered a star that appears to date back to the second generation of stars ever formed. Still inside the tiny primordial galaxy where it was first born, it has a unique elemental makeup that can tell…