What is Pi1 Gruis?
{{DISPLAYTITLE:Pi<sup>1</sup> Gruis}} '''Pi<sup>1</sup> Gruis''' is a red giant [[star]]. It bubbles violently on its surface.<ref>{{cite web|url=https://www.eso.org/public/news/eso1741/|title=Giant Bubbles on Red Giant Star's Surface|last=information@eso.org|website=www.eso.org}}</ref> ==References== {{reflist}} [[Category:Red giants]] [[Category:Variable stars]] {{Sci-stub}}