Red Giant Spiral-Shaped Winds (image) Instituto de Astrofísica de Canarias (IAC) Share Print E-Mail 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. Share Print E-Mail 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.