Astronomers uncover enormous bubble bigger than our Solar System

A giant bubble of gas and dust surrounds the red supergiant DFK 52, likely created in a powerful outburst 4,000 years ago. Astronomers are baffled at how the star survived without going supernova, and suspect a hidden companion may have played a role. This discovery could reveal clues about the final stages of massive stars.

from All Top News -- ScienceDaily https://ift.tt/LDabl1O