Red Giant Spiral-Shaped Winds (IMAGE) Instituto de Astrofísica de Canarias (IAC) Caption Thanks to new observations from the ALMA telescope in Chile, it became clear that the stellar wind of this red giant forms a spiral. This is an indirect indication that the star is not alone, but part of a binary star. Credit ALMA (ESO/NAOJ/NRAO)/L. Decin et al. Usage Restrictions Ask to the authors. 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.