Sednoids: Echoes of a Rogue Planet in the Early Solar System?
Ancient rogue planet could explain why sednoids in our Solar System follow such unusual, distant orbits.
The First Directly Imaged Binary System with Substellar Siblings
The first directly imaged hierarchical quadruple system: two stars, each with a substellar companion!
The Kozai-Lidov Tango: The Ups and Downs of being a Polar Circumbinary Disk
Can binary stars have circumbinary disks that orbits them in a perpendicular plane? Today’s authors took a closer look at this setup and the complex exchange of material between stars and circumbinary disk.
Using tides to peek into asteroid interiors
How to look into the interiors of asteroids? Tidal interactions during close encounters with Earth might just work!
Diffusion and depletion of carbon monoxide in disks
Where is the missing carbon monoxide in protoplanetary disks? Today’s paper suggests that it might have something to do with turbulent mixing in disks as well as the physics of condensation.