Astronomers using the ALMA telescope in Chile have observed an unusual spiral structure in the gas surrounding the red giant star R Sculptoris. “We’ve seen shells around this kind of star before, but this is the first time we’ve ever seen a spiral of material coming out from a star, together with a surrounding shell,” […]
![Surprising spiral structure observed around dying star star_r_sculptoris](https://www.scienceagogo.com/wp-content/uploads/2016/06/star_r_sculptoris-100x100.jpg)