Is that a galaxy-like star cluster? Or a cluster-like dwarf galaxy?
Compact ultra-faint systems? More like confusing ultra-faint systems!
Finding the Milky Way’s faintest and farthest friends with Rubin
Rubin will give us a wider and deeper view of the Universe than ever before. How many of the Milky Way’s tiny friends will it discover?
J1010+2358 PISN’t a direct descendant of the first stars
We thought we finally found a direct descendant of the first stars. A follow-up observation showed that it PISN’t.