Tags: Galaxy.
Pisces I or Pisces overdensity is a clump of stars in the Milky Way’s halo which may be a disrupted dwarf spheroidal galaxy. It is situated in the Pisces constellation and was discovered in 2009 by analysis of distribution of RR Lyrae stars in the data obtained by Sloan Digital Sky Survey’s data. The galaxy is located at the distance of about 80 kpc from the Sun and moves towards it with a speed of about 75 km/s.Pisces I is one of the faintest satellites of the Milky Way.