Seyfert 2 active galaxy
NASA, ESA Hubble Space Telescope's face-on snapshot of the small spiral galaxy NGC 7742. But NGC 7742 is not a run-of-the-mill spiral galaxy. In fact, this spiral is known to be a Seyfert 2 active galaxy, a type of galaxy that is probably powered by a black hole residing in its core.

Photo By: NASA, ESA, Hubble Space Telescope
Photo License: NASA - ESA