The Haunting of Boötes’ Backyard
In today’s bite, find out what’s haunting the constellation Boötes and how it can revolutionize our understanding of the smallest galaxies!
More hypervelocity stars are jetting out of the galaxy
Palladino et al. find 13 new hypervelocity star candidates in the galaxy and find they probably do not originate from the center of the galaxy.
One disk, two disks, red disk, blue disk?
It is written in The Standard Lore of Astronomy – a leather-bound book professors keep under their desks – that stars in the disks of spiral galaxies have a bimodal distribution of scale heights. Today we will be discussing a paper that comes to the conclusion that the notion of a thick disk and a thin disk is actually a poor approximation to the true distribution of disk stars.