astronomers-discover-f-4

(Top) Radio wave strength maps of the DG Tau disk at wavelengths of 0.87 mm, 1.3 mm, and 3.1 mm observed with ALMA and polarization strength maps of radio waves scattered by dust at wavelengths of 0.87 mm and 3.1 mm. (Bottom) The simulation which provides the best agreement with the above observations. Credit: ALMA (ESO/NAOJ/NRAO), S. Ohashi et al