Elliptical
there are 3 types of galaxies. 1.spiral 2.elliptical 3.irregular the main galaxy in our universe would be a spiral galaxy
Hydrogen is the most common element in our galaxy.
An elliptical galaxy is the most common form.
Quasars are the unusual type of active galaxy in the universe.
All galaxies appear to be unique; they are all equally uncommon. Except ours; the Milky Way is the only galaxy to have US in it. Edit : Galaxies are classified into various types. The most uncommon type is known as "Irregular".
None, the early universe was nearly homogeneous.
The most common elements in the Universe are hydrogen and helium. For additional elements, check the Wikipedia article on "Abundance of the chemical elements".
I guess that would be quasars. A quasar is a small region in a young galaxy, that can emit perhaps 100 times the energy of an entire (present-day) galaxy. Quasars were a common feature in the early Universe. It is currently believed they were fueled by gigantic black holes.
Another word for the universe is called most likely the galaxy o.k??
The most common elements in the universe are, Carbon, Oxygen, Nitrogen, Iron and Hydrogen,
Perhaps you are confusing Universe with galaxy. Most galaxies have a black hole in their center. The Universe has no such thing as a center.
Plasma is the most common type of matter in the universe