What is the Local Group?
Q: What is the Local Group?
A: The Local Group is the group of galaxies that includes our galaxy, the Milky Way.
Q: How many galaxies are included in the Local Group?
A: The Local Group has more than 50 galaxies, including dwarf galaxies.
Q: Where is the center of mass for the Local Group located?
A: The center of mass for the Local Group is somewhere between the Milky Way and the Andromeda galaxy.
Q: What is the shape of the galaxies in the Local Group?
A: The galaxies in the Local Group have a binary (dumbbell) shape.
Q: What is the total mass of the Local Group?
A: The Local Group has a total mass of about (1.29 ± 0.14)×1012Ms.
Q: What is the diameter of the Local Group?
A: The galaxies of the Local Group cover a 10 million light-year diameter.
Q: What is the Virgo Supercluster?
A: The Local Group is part of the Virgo Supercluster (also called the Local Supercluster).
