Gas-giant planets orbiting close to other stars have powerful magnetic fields, many times stronger than our own Jupiter, according to a new study by a team of astrophysicists. It is the first time the strength of these fields has been calculated from observations.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/4-astronomersm.jpg)
Source:
https://phys.org/news/2019-07-astronomers-magnetic-hot-jupiter-exoplanets_1.html