It can be fun to make New Year’s resolutions, but hard for most of us to keep them. Gyms, for example, get crowded in early January, but come February the determination of many begins to peter out.
Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way, known for its long, ...