Changes

The '''Galactic halo''' or the '''galaxy halo''' is the region of a [[galaxy]] extending far above and below the galatic disk, where globular clusters and other old [[star]]s reside. In more simple words, it is a region surrounding the outside of the [[galaxy]].<ref name="DismantlingBB">{{cite book|author=Alex Williams, John Hartnett|title=Dismantling the Big Bang|publisher=Master Books|location=Green Forest, AR, USA|year=2005|pages=138|isbn=978-0-89051-437-5|url=http://books.google.com/books?id=FR7basoxkSwC&printsec=frontcover&dq=hartnett+dismantling+the+big+bang&hl=en&sa=X&ei=JvNwT_6nJJOP4gTP6fG_Ag&sqi=2&ved=0CC4Q6AEwAA#v=onepage&q=hartnett%20dismantling%20the%20big%20bang&f=false}}</ref>

The '''Galactic halo''' or the '''galaxy halo''' is the region of a [[galaxy]] extending far above and below the galactic disk, where globular clusters and other old [[star]]s reside. In more simple words, it is a region surrounding the outside of the [[galaxy]].<ref name="DismantlingBB">{{cite book|author=Alex Williams, John Hartnett|title=Dismantling the Big Bang|publisher=Master Books|location=Green Forest, AR, USA|year=2005|pages=138|isbn=978-0-89051-437-5|url=https://books.google.com/books?id=FR7basoxkSwC&printsec=frontcover&dq=hartnett+dismantling+the+big+bang&hl=en&sa=X&ei=JvNwT_6nJJOP4gTP6fG_Ag&sqi=2&ved=0CC4Q6AEwAA#v=onepage&q=hartnett%20dismantling%20the%20big%20bang&f=false}}</ref>

==References==

==References==