Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted a circumplanetary disk around a still-forming gaseous exoplanet called PDS 70c. An artist’s impression of the circumplanetary disk around PDS 70c. Image credit: NRAO / AUI / NSF / S. Dagnello. “For the first time, we can conclusively see the telltale signs of a circumplanetary disk, which helps to support many of the current theories of planet formation,”...
