Michelangelo in Space – A Planet Carving the Fomalhaut Debris Disk?
The Fomalhaut debris disk is well-studied, but new analysis suggests that there may be a hidden planet we haven’t seen…
Meet the AAS Keynote Speakers: Dr Meredith Hughes
Today, we interview Dr Meredith Hughes, associate professor of astronomy at Wesleyan University
We don’t need Planet 9!
The authors of today’s paper decided to take a less radical approach into investigating the trans-Neptunian objects. Maybe we don’t need Planet 9 after all?
Fly-bye, Baby: a review of the impact of stellar flybys on protoplanetary disks
Protoplanetary disks don’t exist in isolation; when young stars pass each other by, their gravitational encounter can disrupt, or maybe even kickstart, planet formation.
Understanding the surprising narrowness of eccentric debris belts
Some extrasolar debris belts are not just eccentric but also surprisingly narrow. What processes can influence the width of debris belts?
Boomerang, Slingshot, or Torque-Dependent? How to Classify Your Favorite Ring-Satellite System
When moons and rings orbit together, the results can be crazy. This paper proposes three regimes to more easily understand these complex interactions.