The constellation Orion contains at least 4 galaxies.
and many other open clusters.
Note: These galaxies lie far, far beyond the group of stars delineating the perimeter of the Orion Constellation. By "contain" we just mean we can see these galaxies out the Orion window.
There is no galaxy specifically known as "Orion Galaxy". Of course, there are millions of galaxies in the Orion constellation, just as there are millions of galaxies in any other direction.
Sorry - that's so tangled it's hard to establishthe question's meaning. There is a nebula, or star cluster, within (i.e. framed by) Orion; and Orion is part of our own galaxy. I don't know if the nebula is in our galaxy or not. Galaxies are thought now to have huge black holes in their centres, holding the structure together by their gravitational attraction.
Smaller galaxies do. Larger galaxies contain billions or even trillions of stars.
All galaxies contain hot blue stars...
None. Galaxies on the other hand do contain planets
Spiral and irregular galaxies.
yes
Yes. Some spiral galaxies do contain at least 1 trillion stars.
Andromeda, Milky Way These are galaxies ^ Orion Nebula Eagle Nebula
Yes. Some dwarf galaxies contain at least 1 billion stars.
quasars.
quasars.