Binary star CPD-29 2176 (IMAGE) Embry-Riddle Aeronautical University Caption By studying the binary star system CPD-29 2176 (shown here), researchers are unraveling new clues to our earliest beginnings, as stardust. Scientists estimate that there are probably only about 10 such star systems in the Galaxy at present. Credit NOIRLab/NSF/AURA/J. da Silva/Spaceengine Usage Restrictions No restrictions. License Public Domain 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.