Also called M31—and our closest giant neighboring galaxy at just 2.5 million light years away—Andromeda is home to at least a trillion stars. Like the Milky Way, it’s a spiral galaxy ...

To Hubble's astonishment, he found this star, and others like it, were tremendously distant — and thus belonged to an entirely different galaxy separated from ours by a vast gulf of space.

The Star Wars universe has a massive number of sentient species, allowing for further exploration and diverse representation. The vast galaxy has nine regions, with billions of inhabited planets ...