Red giant spiral-shaped winds (IMAGE)

Instituto de Astrofísica de Canarias (IAC)

Red giant spiral-shaped winds

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 <em>et al.</em>

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