Complex organic molecules (COMs) are thought to form in cold interstellar environments, yet the chemical routes to key prebiotic precursors remain poorly understood. Glycine, the simplest amino acid, has not […]
Fomalhaut
Astronomers See Fireworks From Violent Collisions Around Nearby Star
Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects bounce off one another and occasionally coalesce, gradually turning the primordial dust and ice of […]
A Second Planetesimal Collision In The Fomalhaut System
The nearby star Fomalhaut is orbited by a compact source, Fomalhaut b, which has previously been interpreted as either a dust-enshrouded exoplanet or a dust cloud generated by the collision […]
Hubble Sees Asteroids Colliding at Nearby Star for First Time
Like a game of cosmic bumper cars, scientists think the early days of our solar system were a time of violent turmoil, with planetesimals, asteroids, and comets smashing together and […]
Fomalhaut’s Warped Ring Is Shaped By Evolving Planets
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have made the highest resolution image to date, revealing new insights into the unusual and mysterious architecture of the debris disk encircling […]
A PR Drag Origin For The Fomalhaut Disk’s Pervasive Inner Dust
Recent JWST observations of the Fomalhaut debris disk have revealed a significant abundance of dust interior to the outer planetesimal belt, raising questions about its origin and maintenance.
JWST/NIRCam Detection of the Fomalhaut C Debris Disk in Scattered Light
Observations of debris disks offer important insights into the formation and evolution of planetary systems. Though M dwarfs make up approximately 80% of nearby stars, very few M-dwarf debris disks […]
Bound Circumplanetary Orbits Under The Influence Of Radiation Pressure: Application To Dust In Directly Imaged Exoplanet Systems
We examine the population of simply periodic orbits in the Hill problem with radiation pressure included, in order to understand the distribution of gravitationally bound dust in orbit around a […]
Webb Space Telescope Reveals The Complexity Of Fomalhaut’s Evolving Asteroid Belt
Astronomers used NASA’s James Webb Space Telescope to image the warm dust around a nearby young star, Fomalhaut, in order to study the first asteroid belt ever seen outside of […]
Imaging Of Exocomets With Infrared Interferometry
Active comets have been detected in several exoplanetary systems, although so far only indirectly, when the dust or gas in the extended coma has transited in front of the stellar […]
