Considering the distance to the Cats Eye Nebula is only 3,300 light years away, it is going to be within our own Milky Way Galaxy.
the sky
The Cats's Eye Nebula is a perfect example of a planetary nebula. See related link for a pictorial.
Earth is IN a galaxy - as is the nebula.
A Galaxy is far bigger than a nebula.
A nebula galaxy does not exist.
The Andromeda Nebula, now known as the Andromeda Galaxy, has no discoverer as it is visible to the naked eye. The idea that it was a galaxy and not a nebular was fist proposed in 1917 by Heber Curtis and proven in 1925 by Edwin Hubble.
According to Wikipedia: Radius Core: 0.2 ly
The eye of god is a Helix nebula. Close to a Planetary nebula.
The Orion nebula is part of our own galaxy (the Milky Way). The Orion nebula is about 1500 light-years away from us. Our galaxy is about 100000 light-years across.
Not "a" - it's the name of one specific planetary nebula. You can find pictures of it in Google Images.
Yes. A nebula is just a big gas cloud. A galaxy will contain many nebulas.
Galaxy