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.
Today we interview Dr. Adam Burgasser, professor of astronomy and astrophysics at the University of California San Diego (UCSD), and a plenary speaker at #AAS247
Today we interview Dr. James Binney, a faculty at Oxford University, and a plenary speaker at #AAS247
Rubin will give us a wider and deeper view of the Universe than ever before. How many of the Milky Way’s tiny friends will it discover?
Stars in binaries can have very unusual evolutionary paths, which can also affect their chemistry! Today’s paper takes a look at one such peculiarity: Mass transfer, and it’s resultant heavy element enhancement.