Exoplanet 'baby pictures' reveal exomoons possibly taking shape around infant worlds

Astronomers have examined infant planets orbiting a star 370 light-years away, seeing the exomoon forming disks of gas and dust around them in unprecedented detail.

https://www.space.com/the-universe/exoplanets/exoplanet-baby-pictures-reveal-exomoons-possibly-taking-shape-around-infant-worlds