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.
How did the universe get so dusty?
I just vacuumed my apartment and asked the question, ‘how does so much dust accumulate in one week?’ These authors ask a more scientifically interesting question: how can galaxies accumulate more than 100 million solar masses of dust in just a few hundred million years?
A black hole and a neutron star walk into a gravitationally bound system…
What will happen if Cygnus X-1 evolves to become a system of two massive, compact objects (and will we ever find out)?
A day in the lives of astronomy grad students
What do grad students do all day? Read on for more than a dozen personal reports from the field.
Guest posts at Physics Today and GradHacker
An article about how to get involved in outreach at Physics Today and a description of astro grad student life for GradHacker.