The Ursa Minor Dwarf galaxy is a small, faint galaxy orbiting our Milky Way. It's located about 200,000 light-years away. The galaxy experienced a period of rapid star formation billions of years ...

Comments: Astrophysical Journal (Letters), in press The nearby Ursa Minor dwarf spheroidal (UMi dSph) is one of the most dark matter dominated galaxies known, with a central mass to light ratio ...

George Abell's 1958 catalog, later expanded to 4,076 entries, provides a comprehensive list of galaxy clusters. Abell 2256, located in Ursa Minor, is a rich cluster containing over 500 galaxies ...

Earlier this month, we spoke of Ursa Major, the Big Bear, so this week we take a look at the Little Bear, Ursa Minor. Astronomy neophytes sometimes mistake the Pleiades star cluster for the Little ...

The Draco dwarf is a faint, star-poor but dark-matter rich galaxy. Here we see Hubble zooming in on some of its stars. | Credit: NASA/ESA/Eduardo Vitral, Roeland van der Marel, Sangmo Tony Sohn ...

Figure 2: An optical image of the Ursa Minor dwarf galaxy from the Digitized Sky Surveys (DSS)* (14 arcmin by 14 arcmin) and the target star COS82.

The team, led by another grad student, Simon Smith at the University of Victoria, believe UMa3/U1 to be a dwarf galaxy and not a simple star cluster because of what follow-up observations with the ...

A new satellite galaxy discovered orbiting the Milky Way is either an incredibly ancient, soon-to-fragment clump of stars or the most dark-matter-dominated dwarf galaxy ever found.

Earlier this month, we spoke of Ursa Major, the Big Bear, so this week we take a look at the Little Bear, Ursa Minor. Astronomy neophytes sometimes mistake the Pleiades star cluster for the Little ...

The Hubble Space Telescope has shown that dark matter is concentrated within the core of a nearby dwarf galaxy, a finding that rushes to the rescue of the Standard Model of cosmology. This model ...