TUCSON, Arizona, Jan. 1 -- The Astrophysical Journal, a research journal from the American Astronomical Society that says it is devoted to recent developments, discoveries and theories in astronomy and astrophysics, published research articles on the following topics in its Jan. 1, 2022 edition: * Co-accretion + Giant Impact Origin of the Uranus System: Post-impact Evolution * Dust Settling and Clumping in MRI-turbulent Outer Protoplanetary Disks * Finite-resolution Deconvolution of Multiwave  more