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This system consists of just 60 stars that are over 10 billion years old, all bound by their own gravity and maybe even dark matter, according to a press release from the W.M. Keck Observatory.
The weird, faint star system—the tiniest Milky Way satellite ever found—could be under the influence of dark matter.
If confirmed as a galaxy, the system would be the faintest galaxy ever discovered — and may suggest that many others remain to be discovered.
The faint star system — the tiniest Milky Way satellite ever found — could be under the influence of dark matter.
The stars of a possible ultra-faint dwarf galaxy, known as UMa3/U1, could be held in place by the gravitational glue of dark matter.