AAS News

AAS 246: Day 4

The final day of AAS 246 included discussions about solar cycle research and the current landscape for science policy and advocacy.

low-surface-brightness galaxies
Images

Featured Image: Rare Giant Galaxies

How do giant low-surface-brightness galaxies form? New research investigates two galactic specimens to search for clues.

LMC

A satellite-rich dwarf galaxy poses a potential problem for current cosmological models.

GD 362 and its debris disk
Features

Investigating a Polluted White Dwarf

JWST spectra illuminate the composition of the debris disk around GD 362, one of the most polluted white dwarfs known.

SDSS J0849+1114

Astrobites reports on a cosmic drama in action: three active black holes, tangled jets, and fading light.

Taurus Molecular Cloud

Astronomers search for a simple organic molecule in Lynds 1544, a cold, dense clump of gas that will one day become a star.

galaxy cluster MACS J0416.1-2403

A chance alignment between galaxies allows astronomers to study a single star system as it was when the universe was just 6 billion years old.

illustration of a planet getting uncomfortably warm

Astrobites reports on the potential habitability of Teegarden’s Star b, a promising Earth-like planet.

Hubble Space Telescope image of the Crab Nebula

How has the Crab Nebula supernova remnant changed since the Hubble Space Telescope observed it in 1999–2000?