SpaceWatch: spiral arms and space junk

News of space exploration, astrophysics and astronomy.

A new observation of the planet-forming disc around the young star RU Lup shows a large spiral gas structure (blue) that spans far beyond the compact dust diss. Inset image shows a previous observation of the dust disc with rings and gaps that hint at the presence of forming planets. Credit: ALMA (ESO/NAOJ/NRAO), J Huang and S. Andrews; NRAO/AUI/NSF, S Dagnello.