We don’t really understand neutron stars. Oh, we know that they are – they’re the leftover remnants of some of the most massive stars in the universe – but revealing their inner workings is a little bit tricky, because the physics keeping them alive is only poorly understood.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/barfingneutr.jpg)
Source:
https://phys.org/news/2019-04-barfing-neutron-stars-reveal-guts.html