observes

Space & Cosmos

ALMA observes dusty sites of planet formation

Pseudo-color composite image of PDS 70. The left panel shows the previous ALMA observation at 0.87 mm, and the right panel shows the new ALMA observation at 3 mm. The composite image is a combination of millimeter/submillimeter continuum images from ALMA (red), infrared continuum images from WM Keck Observatory (green), and optical images of hydrogen emission lines taken by VLT…