Binary TNO (IMAGE) Southwest Research Institute Caption This image is an artist's impression of the trans-Neptunian object that two Southwest Research Institute scientists recently discovered is a binary object. Credit Southwest Research Institute Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only 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.