Using Earth’s most powerful array of radio telescopes, astronomers have made the first observations of a circumplanetary disk of gas and dust like the one that is believed to have birthed the moons of Jupiter.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/moonformingd.jpg)
Source:
https://phys.org/news/2019-07-moon-forming-disk-distant-planet.html