What Are Starspots Like on Sun-like Stars?
There are a lot of Sun-like stars in the universe. Are they as identical as the name suggests, or are there important differences between them?
The Stuff of Stars
I attempt to summarize what some astronomers have called “undoubtedly the most brilliant Ph.D. thesis ever written in astronomy.”
Gravitational Redshift and the Pup: Measuring the Mass of Sirius B
Measuring a white dwarf’s gravitational redshift can help us figure out its mass, but for one of the closest stars to us (Sirius B) the numbers didn’t match with other methods. Today’s paper investigates the discrepancy.
Seeing Red (and Blue): Two Sub-Populations of Type Ia Supernovae?
A close examination of thirteen Type Ia supernovae in the earliest days after their initial explosion reveals two distinct sub-populations.
Cool Stars 20
This week about 500 astronomers met in Boston, MA for the 20th Cambridge Workshop on Cool stars, Stellar Systems, and the Sun (Cool Stars) meeting.
SETI on the Side: Seeking Dyson Spheres with Gaia
Could Gaia’s immense catalog of stellar positions help us find extraterrestrial intelligence?