The nebula known as W51 is one of the most active star-forming regions in the Milky Way galaxy. First identified in 1958 by radio telescopes, it makes a rich cosmic tapestry in this image from NASA’s recently retired Spitzer Space Telescope.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/wherearestar.jpg)
Source:
https://phys.org/news/2020-08-stars-nasa-spitzer-spies-hot.html