Birth of planets around infant stars like HL Tau

Artist's impression of a protoplanetary disk. Newly formed planets can be seen traveling around the central host star, sweeping their orbits clear of dust and gas. These same ring-link structures were observed recently by ALMA around the young star HL Tau.

For more information visit: go.nrao.edu/pr/planet-formation-alma

Credit: National Science Foundation, A. Khan