<p>Astronomers from Chalmers University of Technology, Sweden, have discovered a huge expanding bubble of gas and dust surrounding a red supergiant star. It’s the largest structure of its kind ever seen in the Milky Way. The bubble was blown into space around 4000 years ago. The question scientists are asking is, “Why did the star<a class="more-link" href="https://www.astronomy.com/science/a-supergiant-stars-expanding-mystery/">Continue reading <span class="screen-reader-text">"A supergiant star’s expanding mystery"</span></a></p> <p>The post <a href="https://www.astronomy.com/science/a-supergiant-stars-expanding-mystery/">A supergiant star’s expanding mystery</a> appeared first on <a href="https://www.astronomy.com">Astronomy Magazine</a>.</p>

Astronomers from Chalmers University of Technology, Sweden, have discovered a huge expanding bubble of gas and dust surrounding a red supergiant star. It’s the largest structure of its kind ever seen in the Milky Way. The bubble was blown into space around 4000 years ago. The question scientists are asking is, “Why did the starContinue reading “A supergiant star’s expanding mystery”

The post A supergiant star’s expanding mystery appeared first on Astronomy Magazine.