Magnetic reconnection proceeds at a slower rate in 3D simulations than it does in 2.5D simulations, though the two rates converge when the reconnecting field is weak, which is relevant to heating by solar nanoflares.
A highly productive array of radio telescopes has captured the first sight of a circumplanetary disk around a star’s widely separated planetary-mass companion, giving insight into the formation of exomoons.
Simulations predict that just 0.06% of compact triple star systems result in Roche lobe overflow, with 64% of those cases ending in stable mass transfer rather than triple common envelope evolution.
A survey of 155 pre-main-sequence stars seeks to understand the connection between the properties of these systems and their propensity for accretion, which plays a role in the evolution of protoplanetary disks.
A new catalog of the photometric, spectroscopic, and physical properties of galaxies hosting transient events like gamma-ray bursts will aid explorations of the connections between transient events and their host galaxies.
A new imaging technique may provide a way to study very young planets — those that are still accreting material from their protoplanetary disks — and better understand the early stages of planet formation.