ESA’s XMM-Newton has discovered that gas lurking within the Milky Way’s halo reaches far hotter temperatures than previously thought and has a different chemical make-up than predicted, challenging our understanding of our galactic home.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/xmmnewtondis.gif)
Source:
https://phys.org/news/2020-01-xmm-newton-gas-milky-halo.html