If you were a small one-eyed monster, would you want to visit a black hole?

Large spiral galaxy NGC 4945 is seen edge-on near the center of this cosmic galaxy portrait.

What would it look like to orbit a black hole?

What's happening at the center of our galaxy?

If not perfect, then this spiral galaxy is at least one of the most photogenic.

What's the magnetic field like in the center of our Milky Way Galaxy?

What's the magnetic field like in the center of our Milky Way Galaxy?

Do black holes glow when they collide? When merging, co-orbiting black holes are sure to emit a burst of unusual gravitational radiation, but will they emit light, well before that, if they are surrounded by gas?

Many spiral galaxies have bars across their centers. Even our own Milky Way Galaxy is thought to have a modest central bar.