Where did the Milky Way Dwarfs come from?
Turning back the clock to study our host galaxy’s companions. Where did they come from?
A planetary nebula with serious pollution problems
Miszalski et al. show that the well-known planetary nebula Abell 70 has a white dwarf companion at its center with a messy past.
Using Reionization to constrain Primordial Magnetic Fields
The authors of this paper use modern constraints on reionization to estimate the strength of primordial magnetic fields at high redshift.
UR #1: Gamma-Ray Bursts and Protostars
A couple of weeks ago we put out a call for descriptions of research being done by undergraduates, and we got a great response! Today we’re publishing the first installment.
The Moving Bits
With increasingly large data sets and surveys, the problem of moving astronomical data around the world is non-trivial, but how fast and how accurately can this be done?