The inventory keeps growing, and the latest recruit is a dwarf spheroidal galaxy, meaning no gas and not many more than 10 stars, that has the bad luck to be almost on the far side of the galactic centre from us.
Wikipedia foundation.
Dwarf spheroidal galaxy — NGC 147, a dwarf spheroidal galaxy of the Local Group Dwarf spheroidal galaxy (dSph) is a term in astronomy applied to low luminosity galaxies that are companions to the Milky Way and to the similar systems that are companions to the Andromeda… … Wikipedia
Pegasus Dwarf Spheroidal Galaxy — Infobox Galaxy name = Pegasus Dwarf Spheroidal Galaxy caption = type = dSphcite journal author=Karachentsev, I. D.; Kashibadze, O. G. title=Masses of the local group and of the M81 group estimated from distortions in the local velocity field… … Wikipedia
Dwarf elliptical galaxy — Dwarf elliptical galaxies, or dEs, are elliptical galaxies that are much smaller than others. They are classified as dE, and are quite common in galaxy groups and clusters, and are usually companions to other galaxies. Contents 1 Examples 2… … Wikipedia
dwarf spheroidal — noun A dwarf spheroidal galaxy Slightly larger dwarf spheroidals are known to be the single most common kind of galaxy in rich clusters like that seen past the constellation Virgo … Wiktionary
Dwarf spiral galaxy — A dwarf spiral galaxy is the dwarf version of a spiral galaxy. Dwarf galaxies are characterized as having low luminosities, small diameters (less than 5 kpc), low surface brightnesses, and low hydrogen masses.[1] The galaxies may be considered a… … Wikipedia
Sagittarius Dwarf Elliptical Galaxy — Infobox Galaxy caption = name = Sagittarius Dwarf Elliptical Galaxycite web title=SIMBAD Astronomical Database work=Results for Sagittarius Dwarf Spheroidal url=http://simbad.u strasbg.fr/Simbad accessdate=2006 11 28 ] epoch = J2000 type =… … Wikipedia
Pegasus Dwarf Irregular Galaxy — Observation data (J2000 epoch) Constellation Pegasus Right ascension 23h 28m 36.2s[1] … Wikipedia
Sextans Dwarf Spheroidal — Infobox Galaxy name = Sextans Dwarf Spheroidal epoch = J2000 type = dSphcite web title=NASA/IPAC Extragalactic Database work=Results for Sextans Dwarf url=http://nedwww.ipac.caltech.edu/ accessdate=2006 11 29 ] ra = RA|10|13|02.9 dec = DEC|… … Wikipedia
Dwarf galaxy — UGC 9128 is a dwarf irregular galaxy, it probably contains only around one hundred million stars. A dwarf galaxy is a small galaxy composed of up to several billion stars, a small number compared to our own Milky Way s 200 400 billion stars. The… … Wikipedia
Galaxy groups and clusters — are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation.[1] They form the densest part of the large scale structure of the universe. In models for the gravitational formation of… … Wikipedia
