The “timing argument” overestimates the total mass of the local group by oversimplifying it to a two body problem, a new study explore how the complex merger history of objects in the group affect its mass estimates.
The dynamics of our galaxy become evermore complicated as today’s authors discover a mysterious wave propagating out towards its outskirts.
Something is missing in the middle. In JWST JADES galaxies, young clumps drop out in the inner regions, while clump structure shifts from the outskirts to the center.
Astronomers think active black holes may play a role in shutting down star formation, but today’s study suggests that the story is more complicated than we thought.
Are some of the most massive galaxies in the early Universe truly quenched, or just hiding their star formation behind dust? Today’s bite explores how ALMA helps solve this cosmic conundrum.
When studying distant galaxies, SED fitting is one tool to rule them all. But how can we learn the detailed history of entire galaxies from just a few snapshots?