Unusual Metals in Galactic Center Stars
The Milky Way’s nuclear star cluster is full of surprises!
The Milky Way’s nuclear star cluster is full of surprises!
How many black holes lurk within the dense environments of globular clusters, and how do these powerful objects shape the properties of the cluster around them?
Astrobites reports on how cues from stellar atmospheric chemistry can help explain observations of the atmospheres of very hot gas giants.
The centers of sunspots aren’t all dark! This image of a sunspot reveals umbral dots — transient, bright features that lie in dark sunspot umbrae.
Meet your new AAS Lead Editor for the Galaxies and Cosmology corridor! Here’s how he got started, and what he thinks about his field and the publishing process.
Five and a half years after Voyager 1 zipped across the heliopause, Voyager 2 still hasn’t followed its twin into interstellar space. Can models of the heliopause location help determine why?
Astrobites explores a possible new detection strategy in the search for extraterrestrial intelligence.
A new instrument recently deployed at the International Space Station is examining X-ray explosions on neutron-star surfaces.
How can we use observations to learn more about the morphology of supernova remnants?
Planet interactions are thought to be common as solar systems are first forming and settling down. But what impact do these close encounters have on the moons of these planets?
Astrobites reports on the spiral arms seen in the protoplanetary disk around HD 100453 A, which appear to be caused by the star’s M-dwarf companion.
These Hubble images track a rare dark vortex in Neptune’s atmosphere as it evolves over the span of two years.