Figure 1: Optical images of the region of GRB 050509B showing the association with a large elliptical galaxy. Figure 3: X-ray afterglow light curve for GRB 050509B showing weak flux falling off to ...

Elliptical galaxies lack the swirling arms of their more well-known siblings, spiral galaxies. Instead, they bear the rounded shape of an ellipse, a stretched-out circle. One of the most famous ...