SPACEBROZZ

HOW THE MILKY WAY GALAXY FORMED .......    The galaxy and stars are formed in the observable universe. They were hundred of billions of galaxy, each will many million or billions of individual stars.  It's a pretty typical barred spiral galaxy containing.Some where between 200 billions and 400 billions stars. It is about 100,000 light year in diameter, meaning it take light 100,000 years to travel 100,000 from one end to other, where as it is only about one thousand light are thick there were are estimated as there are no well defined edges to the galaxy. It is a simply a disk with several arms of varying sizes, surrounding by a halo of stars , with a dense in the middle, most like  a  super massive black hole at the center of it's nuclear. just like other large galaxies . About Fifteen percentage of the visible mass of the milky Way is in the form of interstellar  gas and dust, scatted between all the stars. Some of these stars form grouping call open cluster    , such as t