Selections from 2024: Weighing the North Star
Though the North Star appears to be an unwavering single star, it’s actually a variable star belonging to a triple star system. This year, researchers reported a new mass estimate for the North Star and discovered spots on its surface.
Though less destructive than coronal mass ejections, moderate space weather events like stream interaction regions can still cause geomagnetic storms. Researchers have used machine learning to investigate the drivers behind these events.
A Black Hole Egg That Forgot to Hatch
Astrobites reports on how astronomers got a closer view of the distant and mysterious little red dots.
The CANUCS survey brought five galaxy clusters into focus, painting a portrait of galactic life in the early universe.
AAS 247: Day 4
On the final day of AAS 247, researchers described early signs of spiral galaxy structures, gravitational wave astronomy performed with pulsars, and measurements of baryon acoustic oscillations.
AAS 247: Day 3
On Day 3 of AAS 247: a record-breaking asteroid, a discussion of science policy, and a supernova that we might hear about again at AAS 367!
AAS 247: Day 2
A supernova movie 25 years in the making, a discussion of little red dots, the joy of an unplanned career, and more — all on Day 2 of AAS 247.
AAS 247: Day 1
Day 1 of AAS 247: brown dwarfs, starburst galaxies, missions to asteroids, and more!
AAS 247: Welcome!
Welcome to the 247th AAS meeting in Phoenix, AZ! Here’s an overview of some of the education and outreach sessions you might want to check out at the meeting.