Quasars are the most luminous type of active galaxy. They emit light across the electromagnetic spectrum, produce powerful ...

There are three main types of galaxies: elliptical ... is the closest spiral galaxy to the Milky Way but is still about 2.5 million light years away. It is the only spiral galaxy you can see ...

While we have plenty of spiral galaxies, like our own Milky Way, these are only the most common types of galaxies out there. There are still others, like elliptical or irregular galaxies.

revealing a diverse array of galaxy types within as well as thousands of background galaxies beyond. The Dark Energy Camera (DECam) was originally built for the Dark Energy Survey (DES), an ...