The smallest disk identified, meanwhile, stretched to just 0.6 AU – closer to the star than the Earth is to the Sun.

Astronomers have examined infant planets orbiting a star 370 light-years away, seeing the exomoon forming disks of gas and ...

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

Kinematic counterpart of the protoplanet candidate detected around Elias2-24. Top left: re-imaging of the NaCo L’-band PCA-ADI computed in concentric annuli with 20 principle components subtracted.